| Challenger Ochsenhausen | 2018/03/19 19:00 | Jiri Martinko v Jakub Kosowski | L | 0-3 |
| 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 |
| Oman Open U21 Women | 2020/03/05 12:00 | Florian Cnudde v Jiri Martinko | L | 4-0 |
| Portugal Open | 2020/02/13 15:20 | Jiri Martinko v Elias Ranefur | L | 1-4 |
| Portugal Open | 2020/02/12 16:30 | Daniel Gonzalez v Jiri Martinko | W | 0-4 |
| Challenger Ochsenhausen | 2019/11/19 13:35 | Tomas Konecny v Jiri Martinko | L | 3-0 |
| Challenger Ochsenhausen | 2019/11/19 12:00 | Jiri Martinko v Emil Santos | W | 3-0 |
| Challenger Ochsenhausen | 2019/11/19 08:40 | Jiri Martinko v Valerij Rakov | W | 3-0 |
| Challenger Ochsenhausen | 2020/02/18 14:15 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2020/02/18 12:40 | Jakub Kosowski v Francisco Sanchi | W | 3-1 |
| Challenger Ochsenhausen | 2020/02/18 10:00 | Jakub Kosowski v Viktor Brodd | L | 2-3 |
| Challenger Ochsenhausen | 2020/02/17 21:00 | Jakub Kosowski v Irvin Bertrand | L | 2-3 |
| Challenger Ochsenhausen | 2020/02/17 16:20 | Jakub Kosowski v Jiri Vrablik | L | 2-3 |
| Challenger Ochsenhausen | 2020/02/17 13:30 | Jakub Kosowski v Florian Bluhm | W | 3-1 |
| Challenger Ochsenhausen | 2020/02/17 10:10 | Liang Qiu v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2020/02/17 08:10 | Jakub Kosowski v Michal Bankosz | W | 3-1 |