| Challenger Ochsenhausen | 2018/03/19 19:00 | Jiri Martinko v Jakub Kosowski | L | 0-3 |
| Czech TT Star Series | 2020/06/26 10:35 | Miroslav Horejsi v Jiri Martinko | L | 3-1 |
| Czech TT Star Series | 2020/06/26 09:25 | Dmitrij Prokopcov v Jiri Martinko | L | 3-0 |
| Czech TT Star Series | 2020/06/26 07:15 | David Reitspies v Jiri Martinko | L | 3-1 |
| Czech TT Star Series | 2020/06/25 13:15 | Jakub Nemecek v Jiri Martinko | W | 0-3 |
| Czech TT Star Series | 2020/06/25 10:45 | Jiri Vrablik v Jiri Martinko | L | 3-0 |
| Czech TT Star Series | 2020/06/25 09:15 | Martin Olejnik v Jiri Martinko | L | 3-0 |
| Czech TT Star Series | 2020/06/25 06:00 | Michal Benes v Jiri Martinko | W | 1-3 |
| Oman Open U21 Women | 2020/03/06 12:30 | Irvin Bertrand v Jiri Martinko | L | 4-2 |
| Challenger Ochsenhausen | 2020/08/04 10:20 | Jakub Kosowski v Vitor Ishiy | W | 3-1 |
| Challenger Ochsenhausen | 2020/08/04 07:00 | Jakub Kosowski v Vincent Picard | L | 0-3 |
| Challenger Ochsenhausen | 2020/08/03 18:00 | Jakub Kosowski v Romain Lorentz | L | 2-3 |
| Challenger Ochsenhausen | 2020/08/03 15:20 | Filip Jezo v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2020/08/03 15:20 | Filip Zeljko v Jakub Kosowski | - | View |
| Challenger Ochsenhausen | 2020/08/03 11:50 | Abdel Kader Salifou v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2020/08/03 09:50 | Jakub Kosowski v Alexander Valuch | L | 2-3 |
| Challenger Ochsenhausen | 2020/08/03 07:50 | Jakub Kosowski v Michal Bankosz | L | 2-3 |