| ||||||||||||||
| VTB Kremlin Cup | ||
| Surface: Hard | Date: Oct. 15 - Oct. 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ricardas Berankis | Loss | 4-6, 4-5 Retired |
| St. Petersburg Open | ||
| Surface: Hard | Date: Sep. 17 - Sep. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mikhail Kukushkin | Loss | 5-7, 4-2 Retired |
| US Open | ||
| Surface: Hard | Date: Aug. 27 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Steve Johnson | Loss | 3-6, 6-7 (6-8), 3-6 |
| Generali Open | ||
| Surface: Clay | Date: Jul. 30 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Federico Delbonis | Win | 7-6 (7-5), 6-2 |
| Second Round | Philipp Kohlschreiber | Win | 5-7, 6-3, 6-1 |
| Quarterfinals | Maximilian Marterer | Win | 6-3, 6-3 |
| Semifinals | Nicolas Jarry | Win | 7-5, 6-7 (4-7), 6-4 |
| Final | Martin Klizan | Loss | 2-6, 2-6 |
| J. Safra Sarasin Suisse Open Gstaad | ||
| Surface: Clay | Date: Jul. 23 - Jul. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Laslo Djere | Loss | 6-7 (6-8), 5-7 |
| SkiStar Swedish Open | ||
| Surface: Clay | Date: Jul. 16 - Jul. 22 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Mikael Ymer | Loss | 3-6, 3-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 2 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nick Kyrgios | Loss | 6-7 (3-7), 6-7 (4-7), 7-6 (7-5), 3-6 |
| Nature Valley International | ||
| Surface: Grass | Date: Jun. 24 - Jun. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andreas Seppi | Win | 6-3, 6-7 (4-7), 7-6 (7-4) |
| Second Round | Marco Cecchinato | Loss | 6-4, 4-6, 5-7 |
| MercedesCup | ||
| Surface: Grass | Date: Jun. 11 - Jun. 17 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Philipp Kohlschreiber | Win | 7-6 (7-2), 7-6 (7-3) |
| Second Round | Florian Mayer | Win | 6-3, 6-4 |
| Quarterfinals | Lucas Pouille | Loss | 4-6, 7-6 (7-5), 3-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 27 - Jun. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Roberto Bautista Agut | Loss | 2-6, 7-6 (7-3), 6-1, 4-6, 4-6 |
| Banque Eric Sturdza Geneva Open | ||
| Surface: Clay | Date: May 20 - May 26 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jared Donaldson | Loss | 7-5, 4-6, 0-6 |
| TEB BNP Paribas Istanbul Open | ||
| Surface: Clay | Date: Apr. 30 - May 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Laslo Djere | Loss | 6-7 (5-7), 6-7 (6-8) |
| Gazprom Hungarian Open | ||
| Surface: Red Clay | Date: Apr. 23 - Apr. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Alexander Bublik | Loss | 7-6 (8-6), 6-7 (5-7), 5-7 |
| Miami Open presented by Itau | ||
| Surface: Hard | Date: Mar. 20 - Apr. 1 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Miomir Kecmanovic | Win | 7-5, 6-4 |
| Second Round | Pablo Carreno Busta | Loss | 1-6, 0-6 |
| Dubai Duty Free Tennis Championships | ||
| Surface: Hard | Date: Feb. 26 - Mar. 3 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Karen Khachanov | Loss | 6-7 (1-7), 6-7 (0-7) |
| Garanti Koza Sofia Open | ||
| Surface: Hard | Date: Feb. 5 - Feb. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Adrian Andreev | Win | 6-3, 6-4 |
| Second Round | Viktor Troicki | Loss | 6-7 (4-7), 6-1, 6-7 (5-7) |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pierre-Hugues Herbert | Win | 6-2, 6-1, 5-7, 7-6(7-3) |
| Second Round | Kyle Edmund | Loss | 2-6, 2-6, 4-6 |
| Brisbane International presented by Suncorp | ||
| Surface: Hard | Date: Dec. 31 - Jan. 7 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Damir Dzumhur | Win | 6-7 (4-7), 6-3, 6-2 |
| Second Round | Jared Donaldson | Win | 7-6 (7-5), 6-2 |
| Quarterfinals | Ryan Harrison | Loss | 6-7 (6-8), 2-4 Retired |
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