| Challenger de Ochsenhausen | 2020/07/13 06:30 | Jakub Kosowski v Jakub Folwarski | L | 3-0 |
| Challenger de Ochsenhausen | 2018/10/25 09:50 | Jakub Folwarski v Jakub Kosowski | W | 3-2 |
| Challenger de Ochsenhausen | 2018/10/22 12:30 | Jakub Kosowski v Jakub Folwarski | L | 3-1 |
| Challenger de Ochsenhausen | 2018/06/06 08:30 | Jakub Kosowski v Jakub Folwarski | L | 3-0 |
| Challenger de Ochsenhausen | 2018/06/04 07:10 | Jakub Kosowski v Jakub Folwarski | L | 3-0 |
| Challenger de Ochsenhausen | 2018/05/30 06:30 | Jakub Folwarski v Jakub Kosowski | L | 1-3 |
| Challenger de Ochsenhausen | 2017/09/06 09:50 | Jakub Kosowski v Jakub Folwarski | W | 2-3 |
| Challenger de Ochsenhausen | 2017/08/09 07:10 | Jakub Kosowski v Jakub Folwarski | L | 3-1 |
| Challenger de Ochsenhausen | 2020/07/17 07:50 | Jakub Folwarski v Nico Wenger | W | 3-0 |
| Challenger de Ochsenhausen | 2020/07/16 11:50 | Jakub Folwarski v Evgueni Chtchetinine | W | 3-0 |
| Challenger de Ochsenhausen | 2020/07/16 08:30 | Jakub Folwarski v Florian Bluhm | L | 0-3 |
| Challenger de Ochsenhausen | 2020/07/15 11:50 | Jakub Folwarski v Jens Schabacker | W | 3-1 |
| Challenger de Ochsenhausen | 2020/07/15 09:10 | Jakub Folwarski v Dauud Cheaib | L | 0-3 |
| Challenger de Ochsenhausen | 2020/07/15 06:30 | Jakub Folwarski v Daniel Gorak | L | 2-3 |
| Challenger de Ochsenhausen | 2020/07/14 12:35 | Daniel Gorak v Jakub Folwarski | L | 3-1 |
| Challenger de Ochsenhausen | 2020/07/14 09:40 | Hermann Muhlbach v Jakub Folwarski | W | 0-3 |
| Challenger de Ochsenhausen | 2020/07/16 12:30 | Jakub Kosowski v Daniel Gorak | L | 1-3 |
| Challenger de Ochsenhausen | 2020/07/16 11:10 | Nico Wenger v Jakub Kosowski | W | 1-3 |
| Challenger de Ochsenhausen | 2020/07/16 09:10 | Evgueni Chtchetinine v Jakub Kosowski | W | 0-3 |
| Challenger de Ochsenhausen | 2020/07/15 13:10 | Florian Bluhm v Jakub Kosowski | W | 0-3 |
| Challenger de Ochsenhausen | 2020/07/15 09:50 | Jens Schabacker v Jakub Kosowski | W | 0-3 |
| Challenger de Ochsenhausen | 2020/07/15 07:10 | Dauud Cheaib v Jakub Kosowski | L | 3-1 |
| Challenger de Ochsenhausen | 2020/07/14 14:00 | Daniel Gorak v Jakub Kosowski | L | 3-1 |
| Challenger de Ochsenhausen | 2020/07/14 13:15 | Jakub Kosowski v Liang Qiu | W | 3-1 |