Stadium: Centre Court Round: 25 Ground: Carpet indoor
| Challenger Prostejov Qual | 2018/06/04 10:00 | Martin Cuevas v Jan Mertl | 6-4,7-6 |
| Challenger Prostejov Qual | 2018/06/03 16:45 | Jan Mertl v Fabien Reboul | 7-6,6-3 |
| 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 Staněk | 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 Hungary F5 | 2018/06/20 09:40 | Oscar Jose Gutierrez v Eduardo Dischinger | 6-2,6-1 |
| ITF Hungary F5 | 2018/06/19 09:35 | Oscar Jose Gutierrez v Peter Nagy | 4-6,6-3,6-1 |
| ITF Hungary F4 | 2018/06/16 08:00 | Oscar Jose Gutierrez v Lenny Hampel | 1-6,4-6 |
| ITF Hungary F4 | 2018/06/15 08:00 | Peter Nagy v Oscar Jose Gutierrez | 7-5,4-6,1-6 |
| ITF Hungary F4 | 2018/06/14 09:30 | Vlad Andrei Dancu v Oscar Jose Gutierrez | 2-6,3-6 |
| ITF Hungary F4 | 2018/06/12 08:00 | Ljubomir Celebic v Oscar Jose Gutierrez | 2-6,6-4,3-6 |
| ITF Argentina F3 | 2018/05/30 13:00 | Tomas Martin Etcheverry v Oscar Jose Gutierrez | 7-6,6-2 |
| ITF Argentina F2 | 2018/05/25 13:00 | Juan Carlos Saez v Oscar Jose Gutierrez | 6-4,4-6,6-4 |