| 2013 Results | |||
| Heineken Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Martin Klizan | W | 7-6(7-4), 3-6, 6-3 |
| 2 | Santiago Giraldo | W | 7-6(8-6), 6-4 |
| QF | Philipp Kohlschreiber | L | 6-7(6-8), 4-6 |
| Australian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Pablo Andujar | W | 6-3, 6-1, 6-2 |
| 2 | Fernando Verdasco | L | 1-6, 3-6, 2-6 |
| SAP Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Go Soeda | W | 6-4, 3-6, 6-3 |
| 2 | Matthew Ebden | W | 5-7, 7-5, 7-6(7-1) |
| QF | John Isner | L | 6-7(10), 2-6 |
| U.S. National Indoor Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Donald Young | L | 1-5, retired |
| Delray Beach International Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Alejandro Falla | W | 6-3, 6-3 |
| 2 | Daniel Munoz-De La Nava | L | 6-7(3-7), 6-3, 3-6 |
| BNP Paribas Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Leonardo Mayer | L | 2-6, 6-3, 4-6 |
| Miami Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Rajeev Ram | ||
| 2 | Jeremy Chardy | ||
| Tennis Masters Monte-Carlo | |||
| Rd | Opponent | W/L | Score |
| 1 | Grigor Dimitrov | ||
| BRD Nastase Tiriac Trophy | |||
| Rd | Opponent | W/L | Score |
| 1 | Santiago Giraldo | L | 1-6, 2-6 |
| Tennis Masters Madrid | |||
| Rd | Opponent | W/L | Score |
| 1 | Denis Istomin | L | 3-6, 2-6 |
| Internazionali BNL d'Italia | |||
| Rd | Opponent | W/L | Score |
| 1 | Andrey Kuznetsov | L | 2-6, 1-3, retired |
