| Challenger Prostejov Qual | 2018/06/03 11:20 | Petr Nouza v Jan Mertl | 3-6,4-6 |
| ITF Czech Republic F3 | 2018/06/02 09:40 | Jan Mertl v Patrik Rikl | 7-5,3-6,3-6 |
| ITF Czech Republic F3 | 2018/05/31 10:45 | Jan Mertl v Robin Stanek | 1-6,6-3,6-2 |
| ITF Czech Republic F3 | 2018/05/29 12:00 | Jan Mertl v Dominik Kellovsky | 6-3,6-3 |
| ITF Czech Republic F2 | 2018/05/26 09:00 | Jan Mertl v Sekou Bangoura | 3-6,4-6 |
| ITF Czech Republic F2 | 2018/05/25 10:10 | Michal Konecny v Jan Mertl | 6-7,3-6 |
| ITF Czech Republic F2 | 2018/05/24 11:55 | Antonin Bolardt v Jan Mertl | 0-6,3-6 |
| ITF Czech Republic F2 | 2018/05/23 13:40 | Marek Gengel v Jan Mertl | 6-7,3-6 |
| Challenger Prostejov Qual | 2018/06/03 12:55 | Edoardo Eremin v Fabien Reboul | 5-7,6-7 |
| Challenger Vicenza Qual | 2018/05/26 08:00 | Fabien Reboul v Guilherme Clezar | 2-6,4-6 |
| Challenger Mestre Qual | 2018/05/20 08:30 | Dimitar Kuzmanov v Fabien Reboul | 7-5,6-3 |
| Challenger Mestre Qual | 2018/05/19 08:30 | Fabien Reboul v Sadio Doumbia | 6-3,6-1 |
| Challenger Bordeaux Qual | 2018/05/13 08:30 | Fabien Reboul v Alexandre Muller | 1-6,6-1,3-6 |
| Challenger Bordeaux Qual | 2018/05/12 09:00 | Maxime Tabatruong v Fabien Reboul | 7-6,3-6,0-6 |
| Challenger Aix en Provence Qual | 2018/05/07 10:20 | Gianluca Mager v Fabien Reboul | 6-4,6-3 |
| Challenger Aix en Provence Qual | 2018/05/05 14:05 | Francois-Arthur Vibert v Fabien Reboul | 6-3,5-7,4-6 |