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| European Open | ||
| Surface: Hard | Date: Oct. 15 - Oct. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nicolas Jarry | Win | 6-1, 7-6 (10-8) |
| Second Round | Gilles Simon | Loss | 1-6, 1-6 |
| Rolex Shanghai Masters | ||
| Surface: Hard | Date: Oct. 7 - Oct. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Milos Raonic | Win | 6-3, 5-7, 6-3 |
| Second Round | Roberto Bautista Agut | Loss | 6-3, 4-6, 1-6 |
| Shenzhen Open | ||
| Surface: Hard | Date: Sep. 24 - Sep. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Lukas Lacko | Win | 5-7, 6-0, 5-0 Retired |
| Second Round | Alex De Minaur | Loss | 6-1, 6-7 (1-7), 0-6 |
| US Open | ||
| Surface: Hard | Date: Aug. 27 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Robin Haase | Loss | 6-4, 6-4, 3-6, 1-6, 3-6 |
| Western & Southern Open | ||
| Surface: Hard | Date: Aug. 12 - Aug. 19 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kyle Edmund | Loss | 3-6, 2-6 |
| Rogers Cup presented by National Bank | ||
| Surface: Hard | Date: Aug. 6 - Aug. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ryan Harrison | Loss | 4-6, 2-6 |
| Citi Open | ||
| Surface: Hard | Date: Jul. 30 - Aug. 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andy Murray | Loss | 6-3, 4-6, 5-7 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 2 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ricardas Berankis | Win | 4-6, 7-6 (8-6), 6-3, 7-6(8-6) |
| Second Round | Nicolas Jarry | Win | 7-6 (7-5), 5-7, 3-6, 6-2, 11-9 |
| Third Round | Guido Pella | Win | 6-4, 6-4, 7-6 (8-6) |
| Fourth Round | Milos Raonic | Loss | 3-6, 4-6, 7-6 (7-5), 2-6 |
| Libema Open | ||
| Surface: Grass | Date: Jun. 11 - Jun. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andreas Seppi | Win | 6-4, 6-2 |
| Second Round | Alex Bolt | Win | 6-4, 7-5 |
| Quarterfinals | Jeremy Chardy | Loss | 4-6, 6-4, 6-7 (5-7) |
| Fayez Sarofim & Co. US Men's Clay Court Championship | ||
| Surface: Clay | Date: Apr. 9 - Apr. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Frances Tiafoe | Loss | 3-6, 3-6 |
| Abierto Mexicano TELCEL | ||
| Surface: Hard | Date: Feb. 26 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexander Zverev | Loss | 3-6, 5-7 |
| New York Open | ||
| Surface: Hard | Date: Feb. 12 - Feb. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ernesto Escobedo | Loss | 6-4, 3-6, 6-7 (5-7) |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Elias Ymer | Win | 6-4, 6-3, 4-6, 6-1 |
| Second Round | Grigor Dimitrov | Loss | 6-4, 2-6, 4-6, 6-0, 6-8 |
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