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| BB&T Atlanta Open | ||
| Surface: Hard | Date: Jul. 21 - Jul. 27 | Seed: 8 |
| Round | Opponent | W / L | Result |
| First Round | Victor Estrella Burgos | Win | 6-0, 6-2 |
| Second Round | Tim Smyczek | Win | 6-4, 7-5 |
| Quarterfinals | John Isner | Loss | 6-7 (8-10), 4-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jun. 23 - Jul. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Win | 6-4, 4-6, 6-4, 6-2 |
| Second Round | Jeremy Chardy | Loss | 7-6 (7-5), 6-7 (7-9), 6-7 (9-11), 6-4, 5-7 |
| AEGON Championships | ||
| Surface: Grass | Date: Jun. 9 - Jun. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marin Cilic | Win | 6-4, 6-4 |
| Second Round | Lukas Lacko | Win | 7-6 (7-3), 6-3 |
| Third Round | Jo-Wilfried Tsonga | Win | 6-2, 6-4 |
| Quarterfinals | Stan Wawrinka | Loss | 5-7, 3-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 25 - Jun. 8 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Dustin Brown | Win | 7-6 (7-5), 6-4, 6-7 (1-7), 7-5 |
| Second Round | Andy Murray | Loss | 3-6, 1-6, 3-6 |
| Dusseldorf Open | ||
| Surface: Clay | Date: May 18 - May 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Adrian Mannarino | Loss | 6-3, 3-6, 4-6 |
| BMW Open | ||
| Surface: Red Clay | Date: Apr. 28 - May 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Michal Przysiezny | Win | 2-6, 6-5 Retired |
| Second Round | Denis Istomin | Loss | 7-6 (8-6), 3-6, 5-7 |
| Barcelona Open BancSabadell | ||
| Surface: Clay | Date: Apr. 21 - Apr. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Joao Sousa | Win | 6-3, 6-2 |
| Second Round | Tommy Robredo | Loss | 3-6, 4-6 |
| Monte-Carlo Rolex Masters | ||
| Surface: Clay | Date: Apr. 13 - Apr. 20 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marin Cilic | Loss | 1-6, 6-3, 2-6 |
| Sony Open Tennis | ||
| Surface: Hard | Date: Mar. 18 - Mar. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alejandro Falla | Win | 1-6, 6-4, 7-6 (8-6) |
| Second Round | Kei Nishikori | Loss | 4-6, 1-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 5 - Mar. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Bradley Klahn | Win | 6-4, 6-4 |
| Second Round | Tommy Robredo | Loss | 6-7 (6-8), 7-5, 4-6 |
| Abierto Mexicano TELCEL | ||
| Surface: Hard | Date: Feb. 24 - Mar. 2 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Grigor Dimitrov | Loss | 5-7, 1-6 |
| Delray Beach Open by The Venetian Las Vegas | ||
| Surface: Hard | Date: Feb. 17 - Feb. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | David Goffin | Win | 6-2, 6-4 |
| Second Round | Lleyton Hewitt | Win | 7-6 (7-2), 0-0 Retired |
| Quarterfinals | Kevin Anderson | Loss | 7-6 (7-2), 3-6, 3-6 |
| U.S. National Indoor Tennis Championships | ||
| Surface: Hard | Date: Feb. 10 - Feb. 16 | Seed: 5 |
| Round | Opponent | W / L | Result |
| First Round | Jiri Vesely | Loss | 3-6, 2-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 13 - Jan. 26 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kei Nishikori | Loss | 3-6, 7-5, 2-6, 6-4, 2-6 |
| Apia International Sydney | ||
| Surface: Hard | Date: Jan. 5 - Jan. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Florian Mayer | Win | 6-2, 4-6, 6-3 |
| Second Round | Andreas Seppi | Win | 6-3, 6-4 |
| Quarterfinals | Sergiy Stakhovsky | Loss | 4-6, 3-6 |
| Brisbane International presented by Suncorp | ||
| Surface: Hard | Date: Dec. 29 - Jan. 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Julien Benneteau | Win | 5-7, 6-4, 7-6 (7-4) |
| Second Round | Sam Querrey | Win | 5-7, 7-6 (7-3), 6-4 |
| Quarterfinals | Roger Federer | Loss | 1-6, 1-6 |
