BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland dries his face in his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

Switzerland's Roger Federer shakes hands with a ball girl during the ceremony after he lost against Serbia's Novak Djokovic during the finals at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. Djokovic ended Federer's title run in his hometown with a 6-4, 4-6, 6-2 upset victory in the Swiss Indoors final. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer during his final match against Serbia's Novak Djokovic at the Davidoff Swiss Indoors tennis tournament in Basle, Switzerland, Sunday, Nov. 8, 2009.

Switzerland's Roger Federer gestures after being defeated by Serbia's Novak Djokovic in the final of the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. Djokovic ended Federer's title run in his hometown with a 6-4, 4-6, 6-2 upset victory in the Swiss Indoors final. AFP PHOTO/ FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer poses with the trophy after his final match against Serbia's Novak Djokovic at the Davidoff Swiss Indoors tennis tournament in Basle, Switzerland, on Sunday, Nov. 8, 2009. Djokovic won 6-4, 4-6, 6-2 .

Switzerland's Roger Federer holds a plate after he lost against Serbia's Novak Djokovic during the finals at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. Djokovic ended Federer's title run in his hometown with a 6-4, 4-6, 6-2 upset victory in the Swiss Indoors final. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer holds a plate after he lost against Serbia's Novak Djokovic his final game at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. Djokovic ended Federer's title run in his hometown with a 6-4, 4-6, 6-2 upset victory in the Swiss Indoors final. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer reacts after missing a ball during his final match against Serbia's Novak Djokovic at the Davidoff Swiss Indoors tennis tournament in Basle, Switzerland, on Sunday, Nov. 8, 2009.

Switzerland's Roger Federer poses with the trophy after his final match against Serbia's Novak Djokovic at the Davidoff Swiss Indoors tennis tournament in Basle, Switzerland, on Sunday, Nov. 8, 2009. Djokovic won 6-4, 4-6, 6-2

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland serves to Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland plays a backhand in his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland plays a backhand in his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

Switzerland's Roger Federer misses a ball during the finals against Serbia's Novak Djokovic at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. World number one Federer leads Djokovic 9-4 in their career series, standing 2-2 his season with his rival. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer wipes his face during a break in his final game against Serbia's Novak Djokovic at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland dries his face in his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland plays a backhand in his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland plays a backhand in his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

Switzerland's Roger Federer reacts after winning the second set during the final match against Serbia's Novak Djokovic during their final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, on Sunday, Nov. 8, 2009.

BASEL, SWITZERLAND - NOVEMBER 08: Roger Federer of Switzerland arrives on court before his match against Novak Djokovic of Serbia in the final during Day Seven of the Davidoff Swiss Indoors Tennis at St Jakobshalle on November 8, 2009 in Basel, Switzerland. (Photo by Julian Finney/Getty Images)

Swiss Roger Federer reacts after a missing point during his final games against Serb Novak Djokovic at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer returns a ball to Serbia's Novak Djokovic during their final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, on Sunday, Nov. 8, 2009.

Switzerland's Roger Federer wipes his face during the final match against Serbia's Novak Djokovic during their final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, on Sunday, Nov. 8, 2009.

Switzerland's Roger Federer reacts after missing a ball during their final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, on Sunday, Nov. 8, 2009.

Swiss Roger Federer reacts after a missing point during his final game against Serb Novak Djokovic at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Swiss Roger Federer serves to Serb Novak Djokovic during their final game at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Swiss Roger Federer returns the ball to Serb Novak Djokovic during their final game at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer serves a ball to Serbia's Novak Djokovic during their final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, on Sunday, Nov. 8, 2009.

Switzerland's Roger Federer returns a ball to Serbia's Novak Djokovic during their final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, on Sunday, Nov. 8, 2009.

Swiss Roger Federer returns the ball to Serb Novak Djokovic during their final game at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Swiss Roger Federer returns the ball to Serb Novak Djokovic during their final game at the Swiss Indoors ATP tennis tournament on November 8, 2009 in Basel. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)