Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF Czech Republic F12 | 2018/11/28 11:25 | Marek Semjan v Μίχαελ Βρμπένσκι | 3-6,6-7 |
| ITF Czech Republic F11 | 2018/11/21 09:00 | Marek Semjan v Ρόμπιν Στάνεκ | 6-3,3-6,6-7 |
| ITF Czech Republic F11 Qual | 2018/11/20 09:00 | Marek Semjan v Michal Bisko | 6-2,6-4 |
| ITF Czech Republic F11 Qual | 2018/11/19 09:00 | Marek Semjan v Goran Duquesne | 6-2,6-1 |
| ITF Czech Republic F10 | 2018/11/14 09:00 | Dominik Nazaruk v Marek Semjan | 4-6,7-6,7-6 |
| ITF Czech Republic F8 | 2018/11/01 09:00 | Marek Semjan v Γιάκουμπ Πάουλ | 6-7,6-7 |
| ITF Czech Republic F8 | 2018/10/31 13:50 | Πετρ Μίκνεβ v Marek Semjan | 4-6,2-6 |
| ITF Czech Republic F8 | 2018/10/30 09:00 | Marek Semjan v Ματέουζ Τερζίνσκι | 6-2,7-6 |
| ITF Spain F13 | 2017/05/06 13:30 | Ρίτσαρντ Ζόυσμαν v Paco Climent Gregori | 0-6,0-6 |