| ||||||||||||||
| US Open | ||
| Surface: Hard | Date: Aug. 26 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexandr Dolgopolov | Loss | 2-6, 4-6, 4-6 |
| Winston-Salem Open | ||
| Surface: Hard | Date: Aug. 18 - Aug. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jack Sock | Win | 4-6, 6-3, 1-0 Retired |
| Second Round | Dmitry Tursunov | Loss | 6-4, 5-7, 1-6 |
| Western & Southern Open | ||
| Surface: Hard | Date: Aug. 11 - Aug. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mackenzie McDonald | Win | 6-1, 6-1 |
| Second Round | Vasek Pospisil | Win | 7-5, 1-6, 7-6 (8-6) |
| Third Round | Novak Djokovic | Loss | 2-6, 0-6 |
| Rogers Cup | ||
| Surface: Hard | Date: Aug. 5 - Aug. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Tommy Haas | Loss | 6-7 (4-7), 3-6 |
| Citi Open | ||
| Surface: Hard | Date: Jul. 29 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Yen-Hsun Lu | Win | 6-4, 6-4 |
| Second Round | Bernard Tomic | Loss | 1-6, 3-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jun. 24 - Jul. 7 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jo-Wilfried Tsonga | Loss | 6-7 (4-7), 4-6, 3-6 |
| Topshelf Open | ||
| Surface: Grass | Date: Jun. 16 - Jun. 22 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan Hernych | Loss | 3-6, 6-3, 6-7 (4-7) |
| Gerry Weber Open | ||
| Surface: Grass | Date: Jun. 10 - Jun. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mischa Zverev | Loss | 6-1, 4-6, 5-7 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Novak Djokovic | Loss | 6-7 (5-7), 4-6, 5-7 |
| Power Horse Cup | ||
| Surface: Clay | Date: May 19 - May 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Grega Zemlja | Loss | 7-5, 0-6, 2-6 |
| Mutua Madrid Open | ||
| Surface: Clay | Date: May 4 - May 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Loss | 6-7 (2-7), 2-6 |
| Portugal Open | ||
| Surface: Red Clay | Date: Apr. 29 - May 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pedro Sousa | Win | 7-6 (7-1), 4-6, 6-4 |
| Second Round | Pablo Carreno-Busta | Loss | 6-1, 2-6, 2-6 |
| BRD Nastase Tiriac Trophy | ||
| Surface: Clay | Date: Apr. 22 - Apr. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Adrian Ungur | Win | 6-3, 6-1 |
| Second Round | Florian Mayer | Loss | 6-7 (2-7), 6-1, 3-6 |
| Monte-Carlo Rolex Masters | ||
| Surface: Clay | Date: Apr. 14 - Apr. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nicolas Almagro | Loss | 6-2, 1-6, 3-6 |
| Sony Open Tennis | ||
| Surface: Hard | Date: Mar. 19 - Mar. 31 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Robin Haase | Win | 7-6 (7-4), 3-6, 6-1 |
| Second Round | Philipp Kohlschreiber | Win | 7-6 (7-5), 4-6, 6-2 |
| Third Round | Nicolas Almagro | Loss | 3-6, 4-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Viktor Troicki | Win | 4-6, 6-3, 6-4 |
| Second Round | Florian Mayer | Loss | 4-6, 2-6 |
| Dubai Duty Free Tennis Championships | ||
| Surface: Hard | Date: Feb. 25 - Mar. 2 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Roberto Bautista Agut | Loss | 2-6, 5-7 |
| Open 13 | ||
| Surface: Hard | Date: Feb. 18 - Feb. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Michael Llodra | Loss | 2-6, 4-6 |
| ABN AMRO World Tennis Tournament | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jarkko Nieminen | Loss | 0-6, 0-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 13 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Loss | 3-6, 6-3, 6-4, 3-6, 4-6 |
| Heineken Open | ||
| Surface: Hard | Date: Jan. 6 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Thomaz Bellucci | Loss | 6-7 (5-7), 2-6 |
| Brisbane International | ||
| Surface: Hard | Date: Dec. 29 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Matthew Ebden | Win | 6-2, 6-2 |
| Second Round | Jurgen Melzer | Loss | 4-6, 6-7 (4-7) |
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