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| German Tennis Championships 2017 | ||
| Surface: Red Clay | Date: Jul. 24 - Jul. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jose Hernandez-Fernandez | Win | 6-1, 6-2 |
| Second Round | Karen Khachanov | Loss | 6-7 (4-7), 7-5, 4-6 |
| Plava Laguna Croatia Open Umag | ||
| Surface: Clay | Date: Jul. 17 - Jul. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Joao Sousa | Win | 6-3, 4-6, 6-4 |
| Second Round | Paolo Lorenzi | Loss | 5-7, 3-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 3 - Jul. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ivo Karlovic | Win | 6-7 (5-7), 7-6 (8-6), 6-7 (7-9), 7-6(9-7), 8-6 |
| Second Round | Damir Dzumhur | Win | 6-3, 3-6, 6-3, 6-3 |
| Third Round | Gilles Muller | Loss | 6-7 (4-7), 5-7, 4-6 |
| Ricoh Open | ||
| Surface: Grass | Date: Jun. 12 - Jun. 18 | Seed: 8 |
| Round | Opponent | W / L | Result |
| First Round | Denis Istomin | Win | 3-6, 6-2, 6-1 |
| Second Round | Ernesto Escobedo | Win | 6-3, 6-4 |
| Quarterfinals | Gilles Muller | Loss | 3-6, 6-3, 4-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 28 - Jun. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Ryan Harrison | Win | 6-4, 6-0, 3-6, 6-1 |
| Second Round | Jiri Vesely | Loss | 3-6, 3-6, 6-4, 3-6 |
| Internazionali BNL d'Italia | ||
| Surface: Red Clay | Date: May 14 - May 21 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Gianluca Mager | Win | 6-7 (3-7), 6-4, 3-0 Retired |
| Second Round | Novak Djokovic | Loss | 6-7 (2-7), 2-6 |
| TEB BNP Paribas Istanbul Open | ||
| Surface: Clay | Date: May 1 - May 7 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marton Fucsovics | Win | 7-6 (7-3), 4-6, 6-4 |
| Second Round | Milos Raonic | Loss | 7-6 (7-5), 3-6, 6-7 (3-7) |
| Gazprom Hungarian Open | ||
| Surface: Red Clay | Date: Apr. 24 - Apr. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marius Copil | Win | 7-5, 6-2 |
| Second Round | Robin Haase | Win | 6-4, 6-4 |
| Quarterfinals | Ivo Karlovic | Win | 6-4, 6-3 |
| Semifinals | Laslo Djere | Win | 6-2, 6-4 |
| Final | Lucas Pouille | Loss | 3-6, 1-6 |
| Miami Open presented by Itau | ||
| Surface: Hard | Date: Mar. 21 - Apr. 2 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan-Lennard Struff | Loss | 5-7, 0-4 Retired |
| Open 13 Marseille | ||
| Surface: Hard | Date: Feb. 20 - Feb. 26 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Paul-Henri Mathieu | Win | 3-6, 6-1, 6-4 |
| Second Round | Lucas Pouille | Loss | 5-7, 5-7 |
| ABN AMRO World Tennis Tournament | ||
| Surface: Hard | Date: Feb. 13 - Feb. 19 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Denis Istomin | Loss | 3-6, 6-7 (3-7) |
| Open Sud de France | ||
| Surface: Hard | Date: Feb. 6 - Feb. 12 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Borna Coric | Win | 7-5, 4-6, 6-1 |
| Second Round | Alexander Zverev | Loss | 5-7, 6-3, 4-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Victor Estrella Burgos | Loss | 6-7 (7-9), 5-7, 6-0, 3-6 |
| Aircel Chennai Open | ||
| Surface: Hard | Date: Jan. 2 - Jan. 8 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Guillermo Garcia-Lopez | Win | 6-3, 6-3 |
| Second Round | Martin Klizan | Win | 7-6 (7-3), 6-7 (3-7), 7-6 (7-2) |
| Quarterfinals | Benoit Paire | Loss | 3-6, 0-6 |
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