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| US Open | ||
| Surface: Hard | Date: Aug. 30 - Sep. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan-Lennard Struff | Win | 2-6, 7-6 (7-3), 4-6, 6-4, 7-5 |
| Second Round | Novak Djokovic | Loss | 2-6, 3-6, 2-6 |
| J. Safra Sarasin Suisse Open Gstaad | ||
| Surface: Clay | Date: Jul. 19 - Jul. 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Juan Ignacio Londero | Win | 7-5, 4-6, 7-6 (7-1) |
| Second Round | Benoit Paire | Loss | 4-6, 0-0 Retired |
| Wimbledon | ||
| Surface: Grass | Date: Jun. 28 - Jul. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexander Zverev | Loss | 3-6, 4-6, 1-6 |
| Barcelona Open Banc Sabadell | ||
| Surface: Clay | Date: Apr. 19 - Apr. 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ilya Ivashka | Loss | 3-6, 1-6 |
| Abierto Mexicano Telcel presentado por HSBC | ||
| Surface: Hard | Date: Mar. 15 - Mar. 20 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Kudla | Win | 7-6 (7-4), 4-6, 6-3 |
| Second Round | Casper Ruud | Loss | 6-4, 3-6, 6-7 (3-7) |
| Open Sud de France | ||
| Surface: Hard | Date: Feb. 22 - Feb. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marcos Giron | Win | 6-2, 6-7 (5-7), 6-3 |
| Second Round | Ugo Humbert | Loss | 7-6 (7-4), 6-7 (5-7), 6-7 (5-7) |
© 2021 by STATS PERFORM.