Roger Federer is seen playing against Germany's Tommy Haas in their semi-final match during the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 3. Federer will attempt to write a new chapter in tennis history on Sunday when he targets a record 15th Grand Slam title by beating Wimbledon comeback kid Andy Roddick.

TOPSHOTS Serena Williams partners her sister Venus as they play against Rennae Stubbs and Samantha Stosur of Australia in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. TOPSHOTS/AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

This combination image shows US Serena Williams holding the women's singles winners trophy (L) and the women's doubles winners' trophy (R) on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

Serena Williams (R) and her sister Venus (L) play against Rennae Stubbs and Samantha Stosur in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

Serena Williams (R) and her sister Venus (L) play against Rennae Stubbs and Samantha Stosur in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

US Venus Williams (R) and US Serena Williams play against Australia's Samantha Stosur and Australia's Rennae Stubbs during their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / STEFAN WEHRMUTH / POOL (Photo credit should read STEFAN WEHRMUTH/AFP/Getty Images)

Serena Williams holds the championship trophy, after defeating her sister Venus to win the women's singles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena Williams (L) and her sister Venus (R) admire their trophies after beating Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

This combination image shows US Venus Williams holding the women's singles winners trophy (L) and the women's doubles winners' trophy (R) on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

Serena Williams of U.S. waves after her and her sister Venus defeated Samantha Stosur and Rennae Stubbs of Australia in their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena Williams (L) celebrates with a second trophy as she partners her sister Venus (R) to beat Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

Serena Williams (2nd R) and her sister Venus play against Rennae Stubbs and Samantha Stosur in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

US Venus Williams and US Serena Williams jubilates after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs during their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / STEFAN WEHRMUTH / POOL (Photo credit should read STEFAN WEHRMUTH/AFP/Getty Images)

Serena Williams waves as she leaves Centre Court after she and her sister Venus beat Rennae Stubbs and Samantha Stosur 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

This combination image shows from left to right, US Venus Williams holding the women's singles winners trophy, Venus Williams and Serena Williams holding the women's doubles winners trophies and Venus Williams holding the women's singles runners' up trophy on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

Serena Williams (L) and her sister Venus celebrate after beating Rennae Stubbs and Samantha Stosur 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

Serena, rear, and Venus Williams embrace after defeating Australia's Samantha Stosur and Rennae Stubbs, in the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Sisters Serena, right and Venus, left Williams of U.S. play a return to Samantha Stosur and Rennae Stubbs of Australia during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Sisters Serena, left and Venus, right Williams of U.S. play a return to Samantha Stosur and Rennae Stubbs of Australia during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Samantha Stosur, left and Rennae Stubbs of Australia play a return to Sisters Serena and Venus Williams of U.S. celebrates defeating in their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Sisters Serena, left and Venus, right Williams of U.S. celebrates defeating Samantha Stosur and Rennae Stubbs of Australia in their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Sisters Serena, right and Venus, left Williams of U.S. celebrates defeating Samantha Stosur and Rennae Stubbs of Australia in their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena Williams (L) and her sister Venus celebrate after beating Rennae Stubbs and Samantha Stosur 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

Australia's Samantha Stosur, left, and Rennae Stubbs hold their runners-up trophies, after being defeated by Serena and Venus Williams in the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena, left, and Venus Williams hold there trophies after defeating Australia's Samantha Stosur and Rennae Stubbs, in the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena, left, and Venus Williams celebrate after defeating Australia's Samantha Stosur and Rennae Stubbs, in the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena Williams (2nd L) and her sister Venus (R) console Rennae Stubbs (L) of Australia after beating her and partner Samantha Stosur 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Serena Williams of USA celebrate victory playing with Venus Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA (2L) celebrate victory during the women's doubles final match against Samantha Stosur of Australia (R) and Rennae Stubbs of Australia (2R) on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

Serena Williams (L) celebrates with a second trophy as she partners her sister Venus (R) to beat Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

US Serena Williams (L) and US Venus Williams (L) shake hands after winning against Australia's Samantha Stosur (C) and Australia's Rennae Stubbs (R) in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

US Serena Williams (R) and US Venus Williams wave winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (2L) and Serena Williams of USA (L) celebrate victory during the women's doubles final match against Samantha Stosur of Australia (R) and Rennae Stubbs of Australia (2R) on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

US Serena Williams (L) and US Venus Williams (L) shake hands after winning against Australia's Samantha Stosur (C) and Australia's Rennae Stubbs (R) in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

Australia's Samantha Stosur (L) and Australia's Rennae Stubbs sit during play against US Venus Williams and US Serena Williams in their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009.Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (R) and Serena Williams of USA celebrate victory with their trophies after the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

US Serena Williams and unseen US Venus Williams jubilate after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

US Serena Williams (R) and US Venus Williams jubilate after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

US Serena Williams and unseen US Venus Williams jubilate after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

Serena, left, and Venus Williams celebrate after defeating Australia's Samantha Stosur and Rennae Stubbs, in the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory with their trophies after the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory with their trophies after the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

Australia's Samantha Stosur (L) and Australia's Rennae Stubbs hold up the runner's up trophies after loosing against US Serena Williams and US Venus Williams their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory with their trophies after the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

Serena Williams (L) celebrates with a second trophy as she partners her sister Venus (R) to beat Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

US Serena Williams (L) and US Venus Williams hold up the trophy after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (LR and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Julian Finney/Getty Images)

US Serena Williams (L) and US Venus Williams hold up the trophy after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

US Serena Williams (L) and US Venus Williams hold up the trophy after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (3R) and Serena Williams of USA (2L) celebrate victory during the women's doubles final match against Samantha Stosur of Australia (L) and Rennae Stubbs of Australia (R) on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Paul Gilham/Getty Images)

Serena Williams (L) celebrates as she partners her sister Venus (R) to beat Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a forehand playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a forehand playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

Serena, left, and Venus Williams embrace after defeating Australia's Samantha Stosur and Rennae Stubbs, in the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

US Serena Williams and US Venus Williams jubilate after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) talks to Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) and Serena Williams of USA celebrate victory during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. The Williams sisters won 7-6, 6-4. (Photo by Paul Gilham/Getty Images)

US Serena Williams and unseen US Venus Williams jubilate after winning against Australia's Samantha Stosur and Australia's Rennae Stubbs in their women's doubles final match on Day 12 at the 2009 Wimbledon tennis championships at the All England Club on July 4, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. Williams and Williams won 7/6,6/4. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)

Serena Williams celebrates as she partners her sister Venus to beat Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

Serena Williams celebrates as she partners her sister Venus to beat Rennae Stubbs and Samantha Stosur of Australia 7-6, 6-4, in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) talks to Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA (L) congratulates Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

Serena Williams partners her sister Venus as they play against Rennae Stubbs and Samantha Stosur of Australia in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

Serena Williams partners her sister Venus as they play against Rennae Stubbs and Samantha Stosur of Australia in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Samantha Stosur of Australia (L) and Rennae Stubbs of Australia look on during the women's doubles final match against Serena Williams of USA and Venus Williams of USA on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA congratulates Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a forehand playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a forehand playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a smash playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a smash playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a forehand playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a backhand playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA plays a smash playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Paul Gilham/Getty Images)

Sisters Serena, front and Venus Williams of U.S. play a return to Samantha Stosur and Rennae Stubbs of Australia during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Australia's Samantha Stosur, right, and Rennae Stubbs, return to Serena, foreground, and Venus Williams, during the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

WIMBLEDON, ENGLAND - JULY 04: Serena Williams of USA plays a backhand playing with Venus Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Serena Williams of USA serves playing with Venus Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Serena Williams of USA plays a backhand playing with Venus Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Venus Williams of USA serves playing with Serena Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

WIMBLEDON, ENGLAND - JULY 04: Serena Williams of USA plays a backhand playing with Venus Williams of USA during the women's doubles final match against Samantha Stosur of Australia and Rennae Stubbs of Australia on Day Twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2009 in London, England. (Photo by Hamish Blair/Getty Images)

Vernus, right, and Serena Williams return to Australia's Samantha Stosur and Rennae Stubbs, rduring the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Daniel Nestor of Canada and Nenad Zimonjic (Facing) of Serbia celebrate after a beating Bob and Mike Bryan of the US in their Men's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

Sisters Serena, left and Venus, right Williams of U.S. exchange words while playing Samantha Stosur and Rennae Stubbs of Australia during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Sisters Serena, right and Venus, left Williams of U.S. play a return to Samantha Stosur and Rennae Stubbs of Australia during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Samantha Stosur, left and Rennae Stubbs of Australia play a return to sisters Serena, right and Venus, left Williams of U.S. during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Sisters Serena, right and Venus, left Williams of U.S. celebrates a point won against Samantha Stosur and Rennae Stubbs of Australia during their women's doubles final match on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Australia's Samantha Stosur, left, and Rennae Stubbs, return to Serena and Venus Williams, during the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Australia's Samantha Stosur, right, and Rennae Stubbs, discuss tactics during the women's doubles final against Serena and Venus Williams on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena, left, and Venus Williams return to Australia's Samantha Stosur and Rennae Stubbs, during the women's doubles final on the Centre Court at Wimbledon, Saturday, July 4, 2009.

Serena (Top L) and Venus Williams (R) of the US play against Rennae Stubbs and Samantha Stosur of Australia in the Women's Doubles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 4, 2009. AFP PHOTO/CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

US Venus Williams (DOWN) and US Serena Williams play against Australia's Samantha Stosur and Australia's Rennae Stubbs during their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. AFP PHOTO / STEFAN WEHRMUTH / POOL (Photo credit should read STEFAN WEHRMUTH/AFP/Getty Images)

US Venus Williams (R) and US Serena Williams play against Australia's Samantha Stosur and Australia's Rennae Stubbs during their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. AFP PHOTO / STEFAN WEHRMUTH / POOL (Photo credit should read STEFAN WEHRMUTH/AFP/Getty Images)

Australia's Samantha Stosur (L) and Australia's Rennae Stubbs play against US Venus Williams and US Serena Williams during their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. AFP PHOTO / STEFAN WEHRMUTH / POOL (Photo credit should read STEFAN WEHRMUTH/AFP/Getty Images)

Australia's Samantha Stosur (R) and Australia's Rennae Stubbs play against US Venus Williams and US Serena Williams during their doubles match on Day 11 at the 2009 Wimbledon tennis championships at the All England Club on July 3, 2009. The event, the third Grand Slam tournament of 2009, runs from June 22 to July 5, 2009. AFP PHOTO / STEFAN WEHRMUTH / POOL (Photo credit should read STEFAN WEHRMUTH/AFP/Getty Images)