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| Libema Open | ||
| Surface: Grass | Date: Jun. 10 - Jun. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Thiemo de Bakker | Win | 6-2, 6-1 |
| Second Round | Fernando Verdasco | Win | 1-6, 6-3, 6-4 |
| Quarterfinals | David Goffin | Win | 4-6, 7-5, 6-3 |
| Semifinals | Borna Coric | 4-, 6-, 6- |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Stefano Travaglia | Win | 6-7 (5-7), 6-3, 3-6, 6-2, 6-2 |
| Second Round | Gael Monfils | Loss | 3-6, 4-6, 4-6 |
| Banque Eric Sturdza Geneva Open | ||
| Surface: Clay | Date: May 19 - May 25 | Seed: 6 |
| Round | Opponent | W / L | Result |
| First Round | Albert Ramos-Vinolas | Loss | 7-6 (7-2), 3-6, 2-6 |
| Mutua Madrid Open | ||
| Surface: Red Clay | Date: May 4 - May 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Joao Sousa | Win | 7-5, 5-7, 6-1 |
| Second Round | Stefanos Tsitsipas | Loss | 2-6, 5-7 |
| Rolex Monte-Carlo Masters | ||
| Surface: Clay | Date: Apr. 14 - Apr. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Cameron Norrie | Loss | 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 | Aljaz Bedene | Win | 4-6, 6-4, 6-2 |
| Second Round | Daniil Medvedev | Loss | 2-6, 1-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Tennys Sandgren | Win | 6-2, 6-7 (5-7), 6-1 |
| Second Round | Kei Nishikori | Loss | 4-6, 6-4, 6-7 (4-7) |
| Abierto Mexicano TELCEL presentado por HSBC | ||
| Surface: Hard | Date: Feb. 25 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | John Isner | Loss | 3-6, 6-4, 3-6 |
| Delray Beach Open by VITACOST.com | ||
| Surface: Hard | Date: Feb. 18 - Feb. 24 | Seed: 8 |
| Round | Opponent | W / L | Result |
| First Round | Brayden Schnur | Win | 6-2, 6-2 |
| Second Round | Denis Istomin | Win | 6-2, 7-6 (7-3) |
| Quarterfinals | John Isner | Loss | 6-7 (2-7), 4-6 |
| New York Open | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: 5 |
| Round | Opponent | W / L | Result |
| First Round | Reilly Opelka | Loss | 6-2, 6-7 (5-7), 4-6 |
| Garanti Koza Sofia Open | ||
| Surface: Hard | Date: Feb. 4 - Feb. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Yannick Maden | Loss | 4-6, 6-7 (4-7) |
| Australian Open | ||
| Surface: Hard | Date: Jan. 14 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Kevin Anderson | Loss | 3-6, 7-5, 2-6, 1-6 |
| Sydney International | ||
| Surface: Hard | Date: Jan. 6 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jordan Thompson | Loss | 3-6, 3-6 |
| Qatar ExxonMobil Open | ||
| Surface: Hard | Date: Dec. 31 - Jan. 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Dusan Lajovic | Loss | 3-6, 6-7 (5-7) |
© 2019 by STATS.