| ||||||||||||||
| US Open | ||
| Surface: Hard | Date: Aug. 26 - Sep. 8 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Bradley Klahn | Loss | 3-6, 2-6, 3-6 |
| Winston-Salem Open | ||
| Surface: Hard | Date: Aug. 18 - Aug. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexei Popyrin | Loss | 7-5, 4-6, 6-7 (7-9) |
| Hamburg Open | ||
| Surface: Red Clay | Date: Jul. 22 - Jul. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan-Lennard Struff | Loss | 1-6, 3-6 |
| SkiStar Swedish Open | ||
| Surface: Clay | Date: Jul. 15 - Jul. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Elias Ymer | Loss | 3-6, 6-2, 5-7 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 1 - Jul. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kei Nishikori | Loss | 4-6, 6-7 (3-7), 4-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Dusan Lajovic | Loss | 3-6, 4-6, 4-6 |
| BMW Open by FWU | ||
| Surface: Red Clay | Date: Apr. 29 - May 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan-Lennard Struff | Win | 6-1, 6-1 |
| Second Round | Marton Fucsovics | Loss | 7-6 (7-1), 4-6, 3-6 |
| Miami Open presented by Itau | ||
| Surface: Hard | Date: Mar. 19 - Mar. 31 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Bernard Tomic | Loss | 4-6, 1-6 |
| Brasil Open | ||
| Surface: Clay | Date: Feb. 25 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Casper Ruud | Loss | 3-6, 4-6 |
| Rio Open presented by Claro HDTV | ||
| Surface: Clay | Date: Feb. 18 - Feb. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pedro Sousa | Win | 6-3, 6-2 |
| Second Round | Aljaz Bedene | Loss | 3-6, 4-6 |
| Tata Open Maharashtra | ||
| Surface: Hard | Date: Dec. 31 - Jan. 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Benoit Paire | Loss | 6-7 (5-7), 3-6 |
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