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| Intrum Stockholm Open | ||
| Surface: Hard | Date: Oct. 14 - Oct. 20 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Oscar Otte | Win | 7-6 (8-6), 7-6 (7-5) |
| Rakuten Japan Open Tennis Championships | ||
| Surface: Hard | Date: Sep. 30 - Oct. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Novak Djokovic | Loss | 4-6, 2-6 |
| Chengdu Open | ||
| Surface: Hard | Date: Sep. 23 - Sep. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fernando Verdasco | Loss | 2-6, 5-7 |
| US Open | ||
| Surface: Hard | Date: Aug. 26 - Sep. 8 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Federico Delbonis | Win | 6-1, 7-5, 7-6 (7-5) |
| Second Round | Mikhail Kukushkin | Win | 2-6, 7-5, 6-3, 6-2 |
| Third Round | Matteo Berrettini | Loss | 4-6, 4-6, 7-6 (7-3), 6-7 (2-7) |
| Winston-Salem Open | ||
| Surface: Hard | Date: Aug. 18 - Aug. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Thiago Monteiro | Win | 5-7, 6-4, 7-6 (9-7) |
| Second Round | Miomir Kecmanovic | Loss | 6-7 (5-7), 3-6 |
| Citi Open | ||
| Surface: Hard | Date: Jul. 29 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Miomir Kecmanovic | Loss | 6-7 (6-8), 3-6 |
| BB&T Atlanta Open | ||
| Surface: Hard | Date: Jul. 22 - Jul. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Kudla | Win | 6-3, 6-4 |
| Second Round | Pierre-Hugues Herbert | Win | 7-5, 6-3 |
| Quarterfinals | Cameron Norrie | Loss | 5-7, 4-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 1 - Jul. 14 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pablo Carreno Busta | Win | 7-6 (7-2), 7-5, 6-2 |
| Second Round | Daniil Medvedev | Loss | 7-6 (8-6), 1-6, 4-6, 4-6 |
| MercedesCup | ||
| Surface: Grass | Date: Jun. 10 - Jun. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Milos Raonic | Loss | 7-6 (8-6), 4-6, 6-7 (4-7) |
| Roland Garros | ||
| Surface: Red Clay | Date: May 26 - Jun. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ugo Humbert | Win | 3-6, 6-3, 7-6 (12-10), 6-3 |
| Second Round | Laslo Djere | Loss | 4-6, 6-7 (4-7), 4-6 |
| Millennium Estoril Open | ||
| Surface: Red Clay | Date: Apr. 29 - May 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Joao Sousa | Loss | 4-6, 6-2, 2-6 |
| Rolex Monte-Carlo Masters | ||
| Surface: Clay | Date: Apr. 14 - Apr. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Gilles Simon | Loss | 5-7, 1-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 6 - Mar. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jaume Munar | Win | 7-6 (9-7), 6-3 |
| Second Round | John Isner | Loss | 0-6, 2-6 |
| Abierto Mexicano TELCEL presentado por HSBC | ||
| Surface: Hard | Date: Feb. 25 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexander Zverev | Loss | 3-6, 3-6 |
| New York Open | ||
| Surface: Hard | Date: Feb. 11 - Feb. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Guillermo Garcia-Lopez | Loss | 6-7 (6-8), 3-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 14 - Jan. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mischa Zverev | Win | 7-5, 7-6 (9-7), 6-4 |
| Second Round | Dominic Thiem | Win | 7-5, 6-4, 2-0 Retired |
| Third Round | Lucas Pouille | Loss | 6-7 (3-7), 3-6, 7-6 (12-10), 6-4, 3-6 |
| Sydney International | ||
| Surface: Hard | Date: Jan. 6 - Jan. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Martin Klizan | Loss | 6-7 (4-7), 6-4, 6-7 (5-7) |
| Brisbane International presented by Suncorp | ||
| Surface: Hard | Date: Dec. 31 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alex De Minaur | Loss | 2-6, 2-6 |
© 2019 by STATS.