| Czech TT Star Series | 2020/08/20 09:45 | Boguslav Koszyk v Jiri Vrablik | L | 0-3 |
| Czech TT Star Series | 2020/08/20 08:05 | Boguslav Koszyk v Pavel Sirucek | L | 0-3 |
| Czech TT Star Series | 2020/08/20 06:00 | Boguslav Koszyk v Tomas Tregler | L | 0-3 |
| Czech TT Star Series | 2020/08/18 10:15 | Tomas Tregler v Boguslav Koszyk | L | 3-0 |
| Czech TT Star Series | 2020/08/18 08:45 | Miroslav Horejsi v Boguslav Koszyk | W | 1-3 |
| Czech TT Star Series | 2020/08/18 07:10 | Boguslav Koszyk v Felipe Olivares | L | 0-3 |
| Czech TT Star Series | 2020/08/17 13:15 | Boguslav Koszyk v Antonin Gavlas | L | 1-3 |
| Czech TT Star Series | 2020/08/17 11:45 | Lubomir Jancarik v Boguslav Koszyk | L | 3-1 |
| Czech TT Star Series | 2020/08/20 10:40 | Michal Obeslo v Dmitrij Prokopcov | L | 1-3 |
| Czech TT Star Series | 2020/08/20 09:10 | Michal Obeslo v Tomas Konecny | L | 1-3 |
| Czech TT Star Series | 2020/08/20 07:15 | Michal Obeslo v Antonin Gavlas | W | 3-2 |
| Portugal Open | 2020/02/12 14:15 | Michal Obeslo v Saheed Idowu | L | 3-4 |
| Challenger Ochsenhausen | 2018/06/26 11:00 | Michal Obeslo v Dmitrij Prokopcov | W | 3-2 |
| Challenger Ochsenhausen | 2018/06/26 07:40 | Michal Obeslo v Robert Floras | W | 3-0 |
| Challenger Ochsenhausen | 2018/06/25 18:40 | Michal Obeslo v Yannick Vostes | L | 1-3 |
| Challenger Ochsenhausen | 2018/06/25 17:20 | Michal Obeslo v Dauud Cheaib | W | 3-0 |