| ||||||||||||||
| German Tennis Championships | ||
| Surface: Red Clay | Date: Jul. 23 - Jul. 29 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Marco Cecchinato | Win | 6-4, 3-6, 6-4 |
| Second Round | Leonardo Mayer | Loss | 1-6, 5-7 |
| Wimbledon | ||
| Surface: Grass | Date: Jul. 2 - Jul. 15 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Richard Gasquet | Win | 7-6 (8-6), 7-5, 6-4 |
| Second Round | Paolo Lorenzi | Win | 3-6, 6-3, 7-6 (7-5), 7-6(7-3) |
| Third Round | Sam Querrey | Win | 5-7, 6-4, 6-4, 6-2 |
| Fourth Round | Kevin Anderson | Loss | 6-7 (4-7), 6-7 (2-7), 7-5, 6-7 (4-7) |
| Antalya Open | ||
| Surface: Grass | Date: Jun. 24 - Jun. 30 | Seed: 4 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Blaz Kavcic | Win | 6-3, 5-7, 7-5 |
| Quarterfinals | Guillermo Garcia-Lopez | Win | 7-6 (7-3), 6-4 |
| Semifinals | Adrian Mannarino | Loss | 6-4, 6-7 (4-7), 4-6 |
| Roland Garros | ||
| Surface: Red Clay | Date: May 27 - Jun. 10 | Seed: 32 |
| Round | Opponent | W / L | Result |
| First Round | Elliot Benchetrit | Win | 3-6, 6-1, 6-2, 6-1 |
| Second Round | Martin Klizan | Win | 6-2, 6-4, 6-4 |
| Third Round | David Goffin | Loss | 7-6 (8-6), 3-6, 6-4, 5-7, 3-6 |
| Open Parc Auvergne-Rhone-Alpes Lyon | ||
| Surface: Clay | Date: May 20 - May 26 | Seed: 6 |
| Round | Opponent | W / L | Result |
| First Round | Maximilian Marterer | Loss | 6-2, 4-6, 4-6 |
| Internazionali BNL d'Italia | ||
| Surface: Red Clay | Date: May 13 - May 20 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Fabio Fognini | Loss | 3-6, 1-6 |
| Mutua Madrid Open | ||
| Surface: Red Clay | Date: May 5 - May 13 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nikoloz Basilashvili | Win | 6-2, 3-6, 6-3 |
| Second Round | Rafael Nadal | Loss | 3-6, 1-6 |
| BMW Open by FWU | ||
| Surface: Red Clay | Date: Apr. 30 - May 6 | Seed: 7 |
| Round | Opponent | W / L | Result |
| First Round | Mirza Basic | Loss | 2-6, 6-3, 3-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 7 - Mar. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Matthew Ebden | Win | 6-3, 6-3 |
| Second Round | John Isner | Win | 6-7 (5-7), 7-6 (7-3), 7-5 |
| Third Round | Pierre-Hugues Herbert | Loss | 2-6, 1-3 Retired |
| Brasil Open | ||
| Surface: Clay | Date: Feb. 26 - Mar. 4 | Seed: 4 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Horacio Zeballos | Loss | 3-6, 6-3, 3-6 |
| Rio Open presented by Claro HDTV | ||
| Surface: Clay | Date: Feb. 19 - Feb. 25 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Horacio Zeballos | Win | 7-5, 3-6, 7-5 |
| Second Round | Marin Cilic | Win | 6-3, 7-6 (10-8) |
| Quarterfinals | Diego Schwartzman | Loss | 3-6, 4-6 |
| Argentina Open | ||
| Surface: Clay | Date: Feb. 12 - Feb. 18 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Pablo Cuevas | Win | 6-1, 6-4 |
| Second Round | Dusan Lajovic | Win | 6-4, 6-3 |
| Quarterfinals | Leonardo Mayer | Win | 6-4, 3-6, 6-3 |
| Semifinals | Dominic Thiem | Loss | 2-6, 1-6 |
| Ecuador Open | ||
| Surface: Clay | Date: Feb. 5 - Feb. 11 | Seed: 3 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Casper Ruud | Win | 6-4, 3-6, 6-4 |
| Quarterfinals | Thiago Monteiro | Loss | 4-6, 6-2, 4-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jaume Munar | Win | 6-3, 7-6 (7-5), 6-4 |
| Second Round | Novak Djokovic | Loss | 6-4, 3-6, 1-6, 3-6 |
| Qatar ExxonMobil Open | ||
| Surface: Hard | Date: Jan. 1 - Jan. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Paolo Lorenzi | Win | 6-3, 3-6, 6-4 |
| Second Round | Jan-Lennard Struff | Win | 6-3, 1-6, 6-3 |
| Quarterfinals | Peter Gojowczyk | Win | 6-3, 7-6 (8-6) |
| Semifinals | Dominic Thiem | Win | Retired |
| Final | Andrey Rublev | Win | 6-2, 6-3 |
© 2018 by STATS.Any commercial use or distribution without the express written consent of STATS is strictly prohibited.