| ||||||||||||||
| Citi Open | ||
| Surface: Hard | Date: Jul. 29 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Tim Smyczek | Loss | 4-6, 4-6 |
| BB&T Atlanta Open | ||
| Surface: Hard | Date: Jul. 22 - Jul. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kamil Majchrzak | Win | 7-6 (7-5), 6-3 |
| Second Round | Bernard Tomic | Loss | 4-6, 6-7 (3-7) |
| Hall of Fame Open | ||
| Surface: Grass | Date: Jul. 15 - Jul. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Brayden Schnur | Win | 6-1, 2-6, 6-3 |
| Second Round | Denis Kudla | Win | 6-2, 6-2 |
| Quarterfinals | John Isner | Loss | 6-4, 3-6, 4-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 1 - Jul. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Diego Schwartzman | Loss | 4-6, 6-3, 3-6, 2-6 |
| Turkish Airlines Open Antalya | ||
| Surface: Grass | Date: Jun. 23 - Jun. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Damir Dzumhur | Loss | 4-6, 5-7 |
| Noventi Open | ||
| Surface: Grass | Date: Jun. 17 - Jun. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Radu Albot | Loss | 7-5, 1-6, 4-6 |
| Libema Open | ||
| Surface: Grass | Date: Jun. 10 - Jun. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pierre-Hugues Herbert | Loss | 4-6, 5-7 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Gregoire Barrere | Loss | 3-6, 7-5, 5-7, 1-6 |
| Banque Eric Sturdza Geneva Open | ||
| Surface: Clay | Date: May 19 - May 25 | Seed: 7 |
| Round | Opponent | W / L | Result |
| First Round | Nicolas Jarry | Loss | 2-6, 6-7 (4-7) |
| Miami Open presented by Itau | ||
| Surface: Hard | Date: Mar. 19 - Mar. 31 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Radu Albot | Loss | 0-6, 2-3 Retired |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ivo Karlovic | Loss | 6-7 (3-7), 6-7 (3-7) |
| Dubai Duty Free Tennis Championships | ||
| Surface: Hard | Date: Feb. 25 - Mar. 2 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Stefanos Tsitsipas | Loss | 4-6, 6-3, 3-6 |
| ABN AMRO World Tennis Tournament | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Loss | 5-7, 4-6 |
| Garanti Koza Sofia Open | ||
| Surface: Hard | Date: Feb. 4 - Feb. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Adrian Andreev | Win | 6-3, 4-6, 7-6 (7-5) |
| Second Round | Roberto Bautista Agut | Loss | 6-3, 3-6, 2-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 14 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan-Lennard Struff | Win | 1-6, 6-4, 6-3, 6-4 |
| Second Round | Rafael Nadal | Loss | 3-6, 2-6, 2-6 |
| Sydney International | ||
| Surface: Hard | Date: Jan. 6 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Guido Andreozzi | Loss | 6-3, 3-6, 4-6 |
© 2019 by STATS.Any commercial use or distribution without the express written consent of STATS is strictly prohibited.