![Germany's Mischa Zverev returns the ball to Kazakhstan's Andrey Golubev during their quarter-final match at the St.Petersburg Open tennis tournament October 24, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy Germany's Mischa Zverev returns the ball to Kazakhstan's Andrey Golubev during their quarter-final match at the St.Petersburg Open tennis tournament October 24, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy](https://c8.alamy.com/comp/2E7ETAF/germanys-mischa-zverev-returns-the-ball-to-kazakhstans-andrey-golubev-during-their-quarter-final-match-at-the-stpetersburg-open-tennis-tournament-october-24-2008-reutersalexander-demianchuk-russia-2E7ETAF.jpg)
Germany's Mischa Zverev returns the ball to Kazakhstan's Andrey Golubev during their quarter-final match at the St.Petersburg Open tennis tournament October 24, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy
![Kazakhstan's Andrey Golubev returns the ball to Germany's Mischa Zverev during their quarter-final match at the St.Petersburg Open tennis tournament October 24, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy Kazakhstan's Andrey Golubev returns the ball to Germany's Mischa Zverev during their quarter-final match at the St.Petersburg Open tennis tournament October 24, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy](https://c8.alamy.com/comp/2D2K3AG/kazakhstans-andrey-golubev-returns-the-ball-to-germanys-mischa-zverev-during-their-quarter-final-match-at-the-stpetersburg-open-tennis-tournament-october-24-2008-reutersalexander-demianchuk-russia-2D2K3AG.jpg)
Kazakhstan's Andrey Golubev returns the ball to Germany's Mischa Zverev during their quarter-final match at the St.Petersburg Open tennis tournament October 24, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy
![Russia's Marat Safin returns the ball to Ukraine's Sergiy Stakhovsky during their match at the St. Petersburg Open tennis tournament October 22, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy Russia's Marat Safin returns the ball to Ukraine's Sergiy Stakhovsky during their match at the St. Petersburg Open tennis tournament October 22, 2008. REUTERS/Alexander Demianchuk (RUSSIA Stock Photo - Alamy](https://c8.alamy.com/comp/2E7GRBJ/russias-marat-safin-returns-the-ball-to-ukraines-sergiy-stakhovsky-during-their-match-at-the-st-petersburg-open-tennis-tournament-october-22-2008-reutersalexander-demianchuk-russia-2E7GRBJ.jpg)