| Czech TT Star Series | 2020/06/25 11:45 | Martin Olejnik v Nemecek, Jakub | L | 3-0 |
| Czech TT Star Series | 2020/06/25 09:45 | Miroslav Horejsi v Nemecek, Jakub | L | 3-0 |
| Czech TT Star Series | 2020/06/25 07:10 | David Reitspies v Nemecek, Jakub | L | 3-0 |
| Czech TT Star Series | 2020/05/29 12:00 | Nemecek, Jakub v Petr David | L | 2-3 |
| Czech TT Star Series | 2020/05/29 09:00 | Nemecek, Jakub v Antonin Gavlas | L | 0-3 |
| Czech TT Star Series | 2020/05/29 06:35 | Nemecek, Jakub v Jakub Kleprlik | L | 1-3 |
| Czech TT Star Series | 2020/05/28 12:30 | Nemecek, Jakub v David Reitspies | L | 0-3 |
| Czech TT Star Series | 2020/05/28 09:50 | Nemecek, Jakub v Miroslav Horejsi | L | 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 |
| Oman Open U21 Women | 2020/03/05 12:00 | Cnudde, Florian v Jiri Martinko | L | 4-0 |
| Challenge Plus Portugal Open 2020, MS, Quali | 2020/02/13 15:20 | Jiri Martinko v Elias Ranefur | L | 1-4 |
| Challenge Plus Portugal Open 2020, MS, Quali | 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 |