| ||||||||||||||
| Mutua Madrid Open | ||
| Surface: Clay | Date: May 4 - May 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Florian Mayer | Loss | 2-6, 7-6 (7-3), 4-6 |
| BMW Open | ||
| Surface: Red Clay | Date: Apr. 29 - May 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kevin Krawietz | Win | 6-2, 6-4 |
| Second Round | Florian Mayer | Loss | 6-2, 4-6, 2-6 |
| BRD Nastase Tiriac Trophy | ||
| Surface: Clay | Date: Apr. 22 - Apr. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Viktor Troicki | Loss | 6-7 (5-7), 3-6 |
| Tennis Masters Monte-Carlo | ||
| Surface: Clay | Date: Apr. 14 - Apr. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Win | 7-5, 6-3 |
| Second Round | Rafael Nadal | Loss | 1-6, 2-6 |
| Miami Masters | ||
| Surface: Hard | Date: Mar. 19 - Mar. 31 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Dudi Sela | Loss | 2-6, 6-1, 4-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Tommy Robredo | Win | 7-5, 6-2 |
| Second Round | Juan Monaco | Win | 7-5, 6-0 |
| Third Round | Sam Querrey | Loss | 6-7 (5-7), 7-6 (9-7), 5-7 |
| Delray Beach International Tennis Championships | ||
| Surface: Hard | Date: Feb. 25 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Go Soeda | Loss | 6-2, 4-6, 6-7 (6-8) |
| U.S. National Indoor Tennis Championships | ||
| Surface: Hard | Date: Feb. 17 - Feb. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Go Soeda | Win | 7-6 (8-6), 6-4 |
| Second Round | Sam Querrey | Win | 3-6, 6-4, 7-5 |
| Quarterfinals | Alexandr Dolgopolov | Win | 6-7 (6-8), 6-2, 6-4 |
| Semifinals | Kei Nishikori | Loss | 4-6, 0-0 Retired |
| SAP Open | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: 7 |
| Round | Opponent | W / L | Result |
| First Round | Jack Sock | Win | 7-6 (7-5), 6-1 |
| Second Round | Alejandro Falla | Loss | 4-6, 4-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 13 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marin Cilic | Loss | 4-6, 5-7, 2-6 |
| Apia International Sydney | ||
| Surface: Hard | Date: Jan. 5 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Bernard Tomic | Loss | 3-6, 4-6 |
| Brisbane International | ||
| Surface: Hard | Date: Dec. 29 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kei Nishikori | Loss | 5-7, 2-6 |
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