| ITF Czech Republic F3 Qual | 2017/05/29 11:00 | Alessandro Ricci v Lukas Vejvara | 0-6,5-7 |
| ITF Czech Republic F3 Qual | 2017/05/28 09:30 | Antonin Bolardt v Lukas Vejvara | 6-1,6-7,2-6 |
| ITF Czech Republic F3 Qual | 2017/05/27 11:00 | Marek Podlesak v Lukas Vejvara | 2-6,2-6 |
| ITF Czech Republic F1 Qual | 2017/05/14 09:00 | Matej Vocel v Lukas Vejvara | 3-6,6-1,6-1 |
| ITF Czech Republic F1 Qual | 2017/05/13 09:00 | Lukas Vejvara v Frantisek Polanka | 6-4,6-3 |
| ITF Croatia F3 | 2017/03/18 08:00 | Besir Durguti v Lukas Vejvara | 1-6,6-3,7-5 |
| ITF Czech Republic F12 | 2016/12/06 13:40 | Lukas Vejvara v Michal Konecny | 6-4,5-7,4-6 |
| ITF Czech Republic F11 | 2016/11/27 11:00 | Marc-Andrea Huesler v Lukas Vejvara | 7-6,6-1 |
| ITF Czech Republic F3 Qual | 2017/05/29 10:30 | Eduardo Dischinger v Adam Chadaj | 0-6,2-6 |
| ITF Czech Republic F3 Qual | 2017/05/28 08:30 | Alex Solanki v Adam Chadaj | 4-6,2-6 |
| ITF Czech Republic F10 | 2016/11/23 09:30 | Adam Chadaj v Christian Hirschmueller | 6-3,3-6,4-6 |
| ITF Czech Republic F10 | 2016/11/21 09:30 | Robin Kern v Adam Chadaj | 4-6,0-6 |
| ITF Czech Republic F10 | 2016/11/20 09:00 | Vincent Jaensch-Mueller v Adam Chadaj | 2-6,0-6 |
| ITF Czech Republic F10 | 2016/11/19 09:00 | Daniel Rabas v Adam Chadaj | 4-6,1-6 |
| ITF Estonia F4 | 2016/11/07 23:00 | Adam Chadaj v Kenneth Raisma | 4-6,5-7 |
| ITF Estonia F4 | 2016/11/05 23:00 | Vladimir Korolev v Adam Chadaj | 6-3,3-6,3-6 |