| 2011 Results | |||
| Qatar Exxon Mobil Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Lukas Rosol | W | 7-6(7-5), 7-6(9-7) |
| 2 | Philipp Kohlschreiber | W | 7-6(7-5), 6-7(4-7), 7-6(7-2) |
| QF | Nikolay Davydenko | L | 3-6, 5-7 |
| Australian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Ivan Dodig | L | 4-6, 6-3, 7-6(7-5), 4-6, 4-6 |
| PBZ Zagreb Indoors | |||
| Rd | Opponent | W/L | Score |
| 1 | Daniel Brands | L | 5-7, 7-6(7-3), 6-7(1-7) |
| SAP Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Ryan Sweeting | W | 6-4, 6-4 |
| 2 | Fernando Verdasco | L | 5-7, 5-7 |
| Regions Morgan Keegan Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Michael Russell | L | 1-6, 6-7(1-7) |
| Delray Beach International Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Janko Tipsarevic | L | 6(14)-7(16), 6-7(1-7) |
| BNP Paribas Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Marinko Matosevic | W | 7-6(7-2), 6-7(3-7), 6-2 |
| 2 | David Ferrer | W | 7-6(7-3), 6-3 |
| 3 | Gilles Simon | W | 6-3, 6-3 |
| 4 | Albert Montanes | W | 7-6(9-7), 6-2 |
| QF | Rafael Nadal | L | 7-5, 1-6, 6-7(7-9) |
| Sony Ericsson Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Florian Mayer | L | 4-6, 6-7(10) |
| US Men's Clay Court Championship | |||
| Rd | Opponent | W/L | Score |
| 1 | Benjamin Becker | W | 7-6(7-5), 6-4 |
| 2 | Igor Kunitsyn | W | 6-4, 6-1 |
| QF | John Isner | W | 7-6(7-2), 6-7(2-7), 7(11)-6(9-9) |
| SF | Ryan Sweeting | L | 6-7(3-7), 3-6 |
| Mutua Madrilena Madrid Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Gael Monfils | L | 3-6, 6-7(6-8) |
| Internazionali BNL d'Italia | |||
| Rd | Opponent | W/L | Score |
| 1 | Marin Cilic | L | 4-6, 0-1, retired |
| Roland Garros | |||
| Rd | Opponent | W/L | Score |
| 1 | Juan Martin Del Potro | L | 7-6(9-7), 3-6, 5-7, 4-6 |
| AEGON Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Kevin Anderson | L | 4-6, 6-7(2-7) |
| Wimbledon | |||
| Rd | Opponent | W/L | Score |
| 1 | Janko Tipsarevic | W | 7-5, 3-1, retired |
| 2 | Lukasz Kubot | L | 6-7(2-7), 3-6, 3-6 |
| Campbell's Hall of Fame Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Denis Kudla | L | 6-7(4-7), 6-4, 4-6 |
| Rogers Cup | |||
| Rd | Opponent | W/L | Score |
| 1 | Juan Monaco | W | 6-7(2-7), 6-3, 7-6(7-5) |
| 2 | Philipp Petzschner | W | 6-7, 7-6(7-2), 7-6(8-6) |
| 3 | Tomas Berdych | L | 3-6, 6-7(2-7) |
| Western & Southern Financial Group Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Florian Mayer | W | 6-1, 6-3 |
| 2 | Nicolas Almagro | L | 3-6, 7-5, 6-7(2-7) |
| US Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Fernando Gonzalez | W | 6-4, 6-4, 7-6(7-3) |
| 2 | Richard Gasquet | W | 6-4, 6-2, 2-6, 7-6(7-4) |
| 3 | Alexandr Dolgopolov | L | 7-6(7-4), 2-6, 4-6, 4-6 |
| Bank Austria Tennis Trophy | |||
| Rd | Opponent | W/L | Score |
| 1 | Aljaz Bedene | L | 6-7(4-7), 0-0, retired |