| ||||||||||||||
| Rakuten Japan Open Tennis Championships | ||
| Surface: Hard | Date: Sep. 29 - Oct. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Horacio Zeballos | Loss | 1-6, 6-4, 4-6 |
| Malaysian Open | ||
| Surface: Hard | Date: Sep. 22 - Sep. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Joao Sousa | Loss | 3-6, 2-6 |
| US Open | ||
| Surface: Hard | Date: Aug. 26 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Rafael Nadal | Loss | 4-6, 2-6, 2-6 |
| Western & Southern Open | ||
| Surface: Hard | Date: Aug. 11 - Aug. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexandr Dolgopolov | Win | 7-6 (7-3), 6-4 |
| Second Round | David Ferrer | Loss | 6-7 (5-7), 6-3, 4-6 |
| Citi Open | ||
| Surface: Hard | Date: Jul. 29 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Lleyton Hewitt | Win | 6-3, 7-5 |
| Second Round | Juan Martin del Potro | Loss | 1-6, 5-7 |
| BB&T Atlanta Open | ||
| Surface: | Date: Jul. 22 - Jul. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marinko Matosevic | Win | 6-2, 2-6, 6-3 |
| Second Round | Igor Sijsling | Win | 6-4, 6-3 |
| Quarterfinals | Santiago Giraldo | Win | 6-3, 3-6, 7-6 (7-2) |
| Semifinals | Kevin Anderson | Loss | 3-6, 6-7 (3-7) |
| Hall of Fame Tennis Championships | ||
| Surface: Grass | Date: Jul. 8 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | John Isner | Loss | 6-7 (0-7), 2-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jun. 24 - Jul. 7 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jeremy Chardy | Loss | 6-7 (4-7), 6-4, 5-7, 2-6 |
| AEGON International | ||
| Surface: Grass | Date: Jun. 17 - Jun. 22 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Paul-Henri Mathieu | Win | 6-4, 2-6, 7-6 (7-3) |
| Second Round | Andreas Seppi | Loss | 6-3, 5-7, 3-6 |
| AEGON Championships | ||
| Surface: Grass | Date: Jun. 10 - Jun. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jarkko Nieminen | Loss | 3-6, 3-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andrey Kuznetsov | Win | 6-3, 6-4, 7-6 (7-4) |
| Second Round | John Isner | Loss | 7-5, 7-6 (9-7), 3-6, 1-6, 6-8 |
| Open de Nice Cote d'Azur | ||
| Surface: Clay | Date: May 19 - May 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Paul-Henri Mathieu | Loss | 4-6, 4-6 |
| US Men's Clay Court Championship | ||
| Surface: Red Clay | Date: Apr. 8 - Apr. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | John Isner | Loss | 6-7 (4-7), 4-6 |
| Sony Open Tennis | ||
| Surface: Hard | Date: Mar. 19 - Mar. 31 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | James Blake | Loss | 2-6, 2-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Go Soeda | Win | 6-0, 4-6, 6-3 |
| Second Round | Rafael Nadal | Loss | 6-7 (3-7), 2-6 |
| Delray Beach International Tennis Championships | ||
| Surface: Hard | Date: Feb. 25 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Daniel Munoz-De La Nava | Loss | 2-6, 6-1, 3-6 |
| U.S. National Indoor Tennis Championships | ||
| Surface: Hard | Date: Feb. 17 - Feb. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Lukasz Kubot | Loss | 4-6, 7-6 (7-4), 6-7 (2-7) |
| SAP Open | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Benjamin Becker | Loss | 7-6 (7-3), 5-7, 3-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 13 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Santiago Giraldo | Win | 2-6, 6-4, 7-5, 6-4 |
| Second Round | Novak Djokovic | Loss | 1-6, 2-6, 3-6 |
| Apia International Sydney | ||
| Surface: Hard | Date: Jan. 5 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Roberto Bautista-Agut | Win | 2-1 Retired |
| Second Round | John Isner | Win | 6-4, 6-4 |
| Quarterfinals | Julien Benneteau | Loss | 4-6, 2-6 |
| Brisbane International | ||
| Surface: Hard | Date: Dec. 29 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Tommy Robredo | Loss | 4-6, 6-7 (4-7) |
© 2013 by STATS LLC.Any commercial use or distribution without the express written consent of STATS LLC is strictly prohibited.
