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| Winston-Salem Open | ||
| Surface: Hard | Date: Aug. 18 - Aug. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Kudla | Win | 6-4, 7-6 (7-3) |
| Second Round | Joao Sousa | Win | 4-6, 6-3, 6-4 |
| Third Round | John Millman | Loss | 3-6, 4-6 |
| Hamburg Open | ||
| Surface: Red Clay | Date: Jul. 22 - Jul. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Casper Ruud | Loss | 3-6, 6-3, 1-6 |
| Plava Laguna Croatia Open Umag | ||
| Surface: Clay | Date: Jul. 15 - Jul. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andrey Rublev | Loss | 3-6, 2-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 1 - Jul. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jozef Kovalik | Win | 6-1, 6-3, 6-1 |
| Second Round | Milos Raonic | Loss | 6-7 (1-7), 5-7, 6-7 (4-7) |
| Noventi Open | ||
| Surface: Grass | Date: Jun. 17 - Jun. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexander Zverev | Loss | 4-6, 5-7 |
| Libema Open | ||
| Surface: Grass | Date: Jun. 10 - Jun. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ugo Humbert | Win | 5-7, 7-6 (7-2), 7-6 (7-4) |
| Second Round | Cristian Garin | Loss | 5-7, 5-7 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Philipp Kohlschreiber | Loss | 4-6, 4-6, 7-6 (7-5), 1-6 |
| Gazprom Hungarian Open | ||
| Surface: Red Clay | Date: Apr. 22 - Apr. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Thomas Fabbiano | Win | 6-7 (4-7), 6-3, 6-2 |
| Second Round | Borna Coric | Loss | 3-6, 6-4, 4-6 |
| Grand Prix Hassan II | ||
| Surface: Red Clay | Date: Apr. 8 - Apr. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Malek Jaziri | Win | 6-3, 6-4 |
| Second Round | Lorenzo Sonego | Loss | 6-7 (5-7), 3-6 |
| Miami Open presented by Itau | ||
| Surface: Hard | Date: Mar. 19 - Mar. 31 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Lukas Lacko | Win | 6-2, 6-4 |
| Second Round | Lloyd Harris | Win | 3-6, 6-3, 6-4 |
| Third Round | Nikoloz Basilashvili | Loss | 6-7 (3-7), 3-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Istomin | Win | 7-6 (7-2), 6-1 |
| Second Round | Andrey Rublev | Loss | 3-6, 6-3, 3-6 |
| Dubai Duty Free Tennis Championships | ||
| Surface: Hard | Date: Feb. 25 - Mar. 2 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Egor Gerasimov | Loss | 6-7 (2-7), 6-7 (5-7) |
| ABN AMRO World Tennis Tournament | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mikhail Kukushkin | Loss | 2-6, 6-7 (4-7) |
| Garanti Koza Sofia Open | ||
| Surface: Hard | Date: Feb. 4 - Feb. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Dimitar Kuzmanov | Win | 6-2, 6-4 |
| Second Round | Daniil Medvedev | Loss | 7-5, 2-6, 2-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 14 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Guillermo Garcia-Lopez | Win | 7-5, 6-4, 7-5 |
| Second Round | Tomas Berdych | Loss | 1-6, 3-6, 3-6 |
| Qatar ExxonMobil Open | ||
| Surface: Hard | Date: Dec. 31 - Jan. 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nicolas Jarry | Loss | 7-6 (9-7), 4-6, 6-7 (4-7) |
| ASB Classic | ||
| Surface: Hard | Date: Dec. 31 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | David Ferrer | Loss | 2-6, 1-6 |
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