| 2012 Results | |||
| Qatar ExxonMobil Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Roger Federer | L | 2-6, 2-6 |
| Australian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Flavio Cipolla | L | 4-6, 6-4, 6-3, 2-6, 1-6 |
| Open Sud de France | |||
| Rd | Opponent | W/L | Score |
| 1 | Stephane Robert | W | 6-2, 6-1 |
| 2 | Richard Gasquet | L | 3-6, 4-6 |
| ABN AMRO World Tennis Tournament | |||
| Rd | Opponent | W/L | Score |
| 1 | Robin Haase | W | 7-5, 6-2 |
| QF | Richard Gasquet | W | 7-5, 6-3 |
| SF | Roger Federer | L | 6-4, 3-6, 4-6 |
| Open 13 | |||
| Rd | Opponent | W/L | Score |
| 1 | Andreas Beck | W | 6-1, 7-5 |
| 2 | Juan Martin Del Potro | L | 7-6(8-6), 4-6, retired |
| Dubai Duty Free Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Marco Chiudinelli | L | 4-6, 7-5, 4-6 |
| BNP Paribas Open | |||
| Rd | Opponent | W/L | Score |
| 2 | Bjorn Phau | W | 7-5, 6-2 |
| 3 | Thomaz Bellucci | L | , retired |
| Sony Ericsson Open | |||
| Rd | Opponent | W/L | Score |
| 1 | James Blake | W | 4-6, 6-4, 6-4 |
| 2 | John Isner | L | 6-2, 3-6, 4-6 |
| BMW Open by Atlanticlux | |||
| Rd | Opponent | W/L | Score |
| 1 | Robert Farah | L | 3-6, 2-6 |
| Mutua Madrid Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Ivo Karlovic | W | 7-6(7-4), 6-3 |
| 2 | Rafael Nadal | L | 2-6, 2-6 |
| Internazionali BNL d'Italia | |||
| Rd | Opponent | W/L | Score |
| 1 | Paolo Lorenzi | L | 3-6, 6-2, 3-6 |
| Open de Nice Cote d'Azur | |||
| Rd | Opponent | W/L | Score |
| 1 | Matthew Ebden | W | 6-3, 6-3 |
| 2 | Denis Istomin | W | 6-4, 1-6, 6-3 |
| QF | John Isner | W | 6-4, 7-6(9-7) |
| SF | Brian Baker | L | 7-6(7-5), 4-6, 2-6 |
| French Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Andreas Seppi | L | 3-6, 6-7(5-7), 5-7 |
| Wimbledon | |||
| Rd | Opponent | W/L | Score |
| 1 | Andy Murray | L | 1-6, 1-6, 4-6 |
| MercedesCup | |||
| Rd | Opponent | W/L | Score |
| 1 | Dustin Brown | L | 5-7, 6-3, 6-7(7-9) |
| German Open Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Jarkko Nieminen | W | 5-7, 6-4, 6-0 |
| 2 | Nicolas Almagro | L | 4-6, 3-6 |
| Western & Southern Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Alexandr Dolgopolov | W | 6-1, 6-1 |
| 2 | Florian Mayer | W | 6-3, 6-3 |
| 3 | Novak Djokovic | L | 0-6, 0-0, retired |
| Winston-Salem Open at Wake Forest University | |||
| Rd | Opponent | W/L | Score |
| 1 | Robin Haase | L | 2-6, 3-6 |
| US Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Guido Pella | W | 7-5, 3-6, 6-4, 6-2 |
| 2 | Mardy Fish | L | 6-4, 7-6(7-4), 2-6, 1-6, 2-6 |
| Open de Moselle | |||
| Rd | Opponent | W/L | Score |
| 1 | Mischa Zverev | W | 2-6, 6-3, 6-3 |
| 2 | Gilles Muller | W | 7-5, 6-4 |
| QF | Ivo Karlovic | W | 6-7(5-7), 7-6(8-6), 6-0 |
| SF | Jo-Wilfried Tsonga | L | 0-6, 6-3, 4-6 |
| Malaysian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Sanam Singh | W | 7-5, 6-4 |
| 2 | Denis Istomin | W | 7-5, 6-4 |
| QF | Kei Nishikori | L | 4-6, 0-0, retired |
| China Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Alex Bogomolov Jr. | W | 7-5, 6-1 |
| 2 | Jo-Wilfried Tsonga | L | , retired |
| Kremlin Cup | |||
| Rd | Opponent | W/L | Score |
| 1 | Alex Bogomolov Jr. | L | 5-7, 4-6 |
| Swiss Indoors Basel | |||
| Rd | Opponent | W/L | Score |
| 1 | Stanislas Wawrinka | W | 7-6(9-7), 7-6(7-3) |
| 2 | Paul-Henri Mathieu | L | 3-6, 7-6(7-2), 4-6 |
