Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF Czech Republic F12 | 2018/11/28 11:25 | Semjan, Marek v Michael Vrbensky | 3-6,6-7 |
| Czech Republic F11, Singles | 2018/11/21 09:00 | Semjan, Marek v Stanek, Robin | 6-3,3-6,6-7 |
| Czech Republic F11, Singles Qualifying | 2018/11/20 09:00 | Semjan, Marek v Bisko, Michal | 6-2,6-4 |
| Czech Republic F11, Singles Qualifying | 2018/11/19 09:00 | Semjan, Marek v Duquesne, Goran | 6-2,6-1 |
| ITF Czech Republic F10 | 2018/11/14 09:00 | Nazaruk, Dominik v Semjan, Marek | 4-6,7-6,7-6 |
| ITF Czech Republic F8 | 2018/11/01 09:00 | Semjan, Marek v Jakub Paul | 6-7,6-7 |
| ITF Czech Republic F8 | 2018/10/31 13:50 | Petr Michnev v Semjan, Marek | 4-6,2-6 |
| ITF Czech Republic F8 | 2018/10/30 09:00 | Semjan, Marek v Terczynski, Mateusz | 6-2,7-6 |
| ITF Spain F13 | 2017/05/06 13:30 | Richard Zusman v Climent Gregori, Paco | 0-6,0-6 |