| |||||||
| US Open | ||
| Surface: Hard | Date: Aug. 27 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Borna Coric | Loss | 2-6, 2-6, 7-5, 4-6 |
| German Tennis Championships | ||
| Surface: Red Clay | Date: Jul. 23 - Jul. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pablo Carreno Busta | Loss | 6-2, 1-6, 6-7 (4-7) |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 2 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jiri Vesely | Loss | 6-7 (3-7), 4-6, 6-4, 1-6 |
| Antalya Open | ||
| Surface: Grass | Date: Jun. 24 - Jun. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Joao Sousa | Loss | 2-6, 2-6 |
| Gerry Weber Open | ||
| Surface: Grass | Date: Jun. 18 - Jun. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Richard Gasquet | Win | 6-2, 6-2 |
| Second Round | Andreas Seppi | Loss | 2-6, 4-6 |
| MercedesCup | ||
| Surface: Grass | Date: Jun. 11 - Jun. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Yannick Maden | Win | 6-4, 6-1 |
| Second Round | Denis Istomin | Loss | 3-6, 4-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 27 - Jun. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mischa Zverev | Loss | 2-6, 1-6, 6-7 (3-7) |
| Banque Eric Sturdza Geneva Open | ||
| Surface: Clay | Date: May 20 - May 26 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Bernabe Zapata Miralles | Loss | 3-6, 2-6 |
| BMW Open by FWU | ||
| Surface: Red Clay | Date: Apr. 30 - May 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Martin Klizan | Loss | 6-3, 4-6, 3-6 |
| Monte-Carlo Rolex Masters | ||
| Surface: Clay | Date: Apr. 15 - Apr. 22 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Gilles Muller | Loss | 5-7, 4-6 |
| Dubai Duty Free Tennis Championships | ||
| Surface: Hard | Date: Feb. 26 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Roberto Bautista Agut | Loss | 3-6, 4-6 |
| Argentina Open | ||
| Surface: Clay | Date: Feb. 12 - Feb. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Federico Delbonis | Loss | 6-7 (4-7), 4-6 |
| Garanti Koza Sofia Open | ||
| Surface: Hard | Date: Feb. 5 - Feb. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mirza Basic | Loss | 4-6, 1-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Evgeny Donskoy | Loss | 4-6, 4-6, 4-6 |
| Qatar ExxonMobil Open | ||
| Surface: Hard | Date: Jan. 1 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Stefanos Tsitsipas | Loss | 6-4, 5-7, 4-6 |
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