Rainer Schuettler of Germany looks on during his match against Novak Djokovic of Serbia in their third round match at the ATP Shanghai Masters tennis tournament in Shanghai on October 15, 2009. Djokovic won 6-4, 6-2. AFP PHOTO / PHILIPPE LOPEZ (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

Rainer Schuettler of Germany hits a return against Novak Djokovic of Serbia in their third round match at the ATP Shanghai Masters tennis tournament in Shanghai on October 15, 2009. Djokovic won 6-4, 6-2. AFP PHOTO / PHILIPPE LOPEZ (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

Rainer Schuettler of Germany hits a return against his compatriot Tommy Haas during their second round match at the ATP Shanghai Masters tennis tournament on October 14, 2009. Schuettler was leading 6-4 as play continues. AFP PHOTO / PHILIPPE LOPEZ (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

Rainer Schuettler hits a return against his compatriot Tommy Haas of Germany during their second round match at the ATP Shanghai Masters tennis tournament in Shanghai on October 14, 2009. Schuettler was leading 6-4. AFP PHOTO / PHILIPPE LOPEZ (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

Rainer Schuettler of Germany returns the ball to Kevin Kim of the US during their first round of ATP Thailand Open tennis tournament match in Bangkok on September 30, 2009. AFP PHOTO/PORNCHAI KITTIWONGSAKUL (Photo credit should read PORNCHAI KITTIWONGSAKUL/AFP/Getty Images)

Rainer Schuettler of Germany returns the ball to Kevin Kim of the US during their first round of ATP Thailand Open tennis tournament match in Bangkok on September 30, 2009. AFP PHOTO/PORNCHAI KITTIWONGSAKUL (Photo credit should read PORNCHAI KITTIWONGSAKUL/AFP/Getty Images)

Rainer Schuettler of Germany returns the ball to Kevin Kim of the US during their first round of ATP Thailand Open tennis tournament match in Bangkok on September 30, 2009. AFP PHOTO/PORNCHAI KITTIWONGSAKUL (Photo credit should read PORNCHAI KITTIWONGSAKUL/AFP/Getty Images)