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| European Open | ||
| Surface: Hard | Date: Oct. 14 - Oct. 20 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jannik Sinner |
| US Open | ||
| Surface: Hard | Date: Aug. 26 - Sep. 8 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nicolas Jarry | Win | 6-7 (2-7), 7-6 (7-5), 7-6 (8-6), 1-6, 6-4 |
| Second Round | Pablo Cuevas | Win | 6-7 (3-7), 6-4, 2-6, 6-4, 6-1 |
| Third Round | Grigor Dimitrov | Loss | 5-7, 6-7 (8-10), 2-6 |
| BB&T Atlanta Open | ||
| Surface: Hard | Date: Jul. 22 - Jul. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Matthew Ebden | Loss | 6-7 (5-7), 3-6 |
| Hall of Fame Open | ||
| Surface: Grass | Date: Jul. 15 - Jul. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alastair Gray | Win | 6-3, 6-4 |
| Second Round | John Isner | Loss | 4-6, 7-6 (7-5), 3-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 1 - Jul. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Loss | 4-6, 4-6, 4-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 14 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kei Nishikori | Loss | 6-3, 7-6 (8-6), 0-6, 2-6, 0-3 Retired |
