Stadium: Center Court Round: 26 Ground: Carpet indoor
| Challenger Prostejov | 2018/06/05 10:35 | Guillermo Garcia-Lopez v Gleb Sakharov | 6-4,6-4 |
| Challenger Eckental | 2018/10/30 10:00 | Alexey Vatutin v Gleb Sakharov | 1-6,4-6 |
| Challenger Eckental | 2018/10/29 11:20 | Gleb Sakharov v Benjamin Bonzi | 7-6,6-1 |
| Challenger Eckental | 2018/10/28 13:10 | Gleb Sakharov v Christoph Negritu | 7-5,6-2 |
| Challenger Eckental | 2018/10/27 11:55 | Gleb Sakharov v Tak Khunn Wang | 6-3,3-6,6-3 |
| Challenger Brest | 2018/10/24 11:00 | Antoine Cornut-Chauvinc v Gleb Sakharov | 6-3,6-2 |
| Challenger Ismaning | 2018/10/21 13:10 | Gleb Sakharov v Filippo Baldi | 4-6,4-6 |
| Challenger Ismaning | 2018/10/20 15:05 | Johannes Haerteis v Gleb Sakharov | 4-6,2-6 |
| Challenger Ismaning | 2018/10/19 12:50 | Gleb Sakharov v Jeremy Jahn | 6-3,3-6,6-3 |
| Challenger Eckental | 2018/10/29 14:40 | Quentin Halys v Guillermo Garcia-Lopez | 6-7,6-7 |
| ATP Basel | 2018/10/20 15:15 | Guillermo Garcia-Lopez v Vasek Pospisil | 2-6,2-6 |
| ATP Stockholm | 2018/10/15 13:30 | Denis Kudla v Guillermo Garcia-Lopez | 6-2,7-5 |
| ATP St Petersburg | 2018/09/18 11:45 | Guillermo Garcia-Lopez v Matteo Berrettini | 6-7,6-2,3-6 |
| ATP Winston-Salem | 2018/08/21 00:30 | Hyeon Chung v Guillermo Garcia-Lopez | 7-6,6-2 |
| ATP Winston-Salem | 2018/08/19 22:10 | Marcos Baghdatis v Guillermo Garcia-Lopez | 6-7,4-6 |
| ATP Cincinnati | 2018/08/15 23:15 | Guillermo Garcia-Lopez v Marton Fucsovics | 7-6,4-6,5-7 |
| ATP Cincinnati Qual | 2018/08/12 14:00 | Bradley Klahn v Guillermo Garcia-Lopez | 7-6,7-6 |