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| Intrum Stockholm Open | ||
| Surface: Hard | Date: Oct. 15 - Oct. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Shapovalov | Loss | 3-6, 7-5, 5-7 |
| US Open | ||
| Surface: Hard | Date: Aug. 27 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexander Zverev | Loss | 2-6, 1-6, 2-6 |
| Rogers Cup presented by National Bank | ||
| Surface: Hard | Date: Aug. 6 - Aug. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Matthew Ebden | Win | 7-6 (7-3), 6-4 |
| Second Round | Novak Djokovic | Loss | 3-6, 4-6 |
| Abierto Mexicano de Tenis Mifel presentado por Cinemex | ||
| Surface: Hard | Date: Jul. 30 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Daniel Elahi Galan | Win | 6-4, 3-6, 6-2 |
| Second Round | Michael Mmoh | Loss | 6-7 (1-7), 6-7 (2-7) |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 2 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Dennis Novak | Loss | 2-6, 3-6, 6-7 (7-9) |
| Roland Garros | ||
| Surface: Red Clay | Date: May 27 - Jun. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pierre-Hugues Herbert | Loss | 3-6, 6-4, 2-6, 2-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 7 - Mar. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marius Copil | Win | 7-6 (7-3), 6-7 (5-7), 7-6 (14-12) |
| Second Round | Adrian Mannarino | Loss | 1-6, 4-6 |
| Delray Beach Open | ||
| Surface: Hard | Date: Feb. 19 - Feb. 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jared Donaldson | Loss | 6-7 (6-8), 1-6 |
| Ecuador Open | ||
| Surface: Clay | Date: Feb. 5 - Feb. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alessandro Giannessi | Loss | 3-6, 4-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Karen Khachanov | Loss | 6-7 (3-7), 6-7 (2-7), 4-6 |
| Brisbane International presented by Suncorp | ||
| Surface: Hard | Date: Dec. 31 - Jan. 7 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | John Millman | Loss | 6-7 (4-7), 0-6 |
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