| ||||||||||||||
| St. Petersburg Open | ||
| Surface: Hard | Date: Sep. 17 - Sep. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Guillermo Garcia-Lopez | Win | 7-6 (7-5), 2-6, 6-3 |
| Second Round | Denis Shapovalov | Loss | 6-7 (6-8), 6-4, 0-6 |
| US Open | ||
| Surface: Hard | Date: Aug. 27 - Sep. 9 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Kudla | Loss | 4-6, 5-7, 2-6 |
| Winston-Salem Open | ||
| Surface: Hard | Date: Aug. 19 - Aug. 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Julien Benneteau | Win | 6-3, 6-3 |
| Second Round | Nikoloz Basilashvili | Win | 7-5, 6-3 |
| Third Round | Hyeon Chung | Loss | 3-6, 6-3, 3-6 |
| Generali Open | ||
| Surface: Clay | Date: Jul. 30 - Aug. 4 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Gilles Simon | Win | 1-6, 6-3, 6-4 |
| Second Round | Radu Albot | Win | 6-3, 6-7 (3-7), 6-1 |
| Quarterfinals | Nicolas Jarry | Loss | 5-7, 3-6 |
| J. Safra Sarasin Suisse Open Gstaad | ||
| Surface: Clay | Date: Jul. 23 - Jul. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Radu Albot | Win | 6-4, 6-2 |
| Second Round | Andrey Rublev | Win | 6-3, 6-3 |
| Quarterfinals | Feliciano Lopez | Win | 6-4, 6-3 |
| Semifinals | Jurgen Zopp | Win | 6-4, 7-6 (8-6) |
| Final | Roberto Bautista Agut | Win | 7-6 (11-9), 6-4 |
| SkiStar Swedish Open | ||
| Surface: Clay | Date: Jul. 16 - Jul. 22 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Leonardo Mayer | Win | 3-6, 6-3, 6-4 |
| Second Round | Henri Laaksonen | Loss | 2-6, 2-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 2 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jack Sock | Win | 6-7 (5-7), 6-7 (3-7), 6-4, 7-5, 6-2 |
| Second Round | Gilles Simon | Loss | 3-6, 6-7 (4-7), 2-6 |
| Nature Valley International | ||
| Surface: Grass | Date: Jun. 24 - Jun. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | David Ferrer | Loss | 5-7, 3-6 |
| Gerry Weber Open | ||
| Surface: Grass | Date: Jun. 18 - Jun. 24 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andreas Seppi | Loss | 3-6, 5-7 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 27 - Jun. 10 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Oscar Otte | Win | 3-6, 7-5, 6-2, 6-1 |
| Second Round | Ernests Gulbis | Win | 6-2, 3-6, 6-4, 6-3 |
| Third Round | Dominic Thiem | Loss | 3-6, 7-6 (7-5), 3-6, 2-6 |
| Internazionali BNL d'Italia | ||
| Surface: Red Clay | Date: May 13 - May 20 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Frances Tiafoe | Win | 6-3, 7-6 (7-1) |
| Second Round | Alexander Zverev | Loss | 5-7, 2-6 |
| TEB BNP Paribas Istanbul Open | ||
| Surface: Clay | Date: Apr. 30 - May 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Taro Daniel | Loss | 5-7, 3-6 |
| Gazprom Hungarian Open | ||
| Surface: Red Clay | Date: Apr. 23 - Apr. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Attila Balazs | Win | 6-4, 3-6, 7-6 (7-4) |
| Second Round | Aljaz Bedene | Loss | 6-7 (2-7), 6-4, 4-6 |
| Grand Prix Hassan II | ||
| Surface: Red Clay | Date: Apr. 9 - Apr. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nikoloz Basilashvili | Loss | 6-7 (2-7), 4-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 7 - Mar. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| Second Round | Daniil Medvedev | Loss | 7-6 (8-6), 5-7, 4-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Adrian Mannarino | Loss | 4-6, 4-6, 4-6 |
| Qatar ExxonMobil Open | ||
| Surface: Hard | Date: Jan. 1 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Viktor Troicki | Win | 4-6, 7-6 (7-5), 6-4 |
| Second Round | Peter Gojowczyk | Loss | 2-6, 2-6 |
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