| Challenger - Ochsenhausen | 2018/10/24 06:30 | Tomasz Tomaszuk v Jakub Kosowski | L | 2-3 |
| Challenger - Ochsenhausen | 2018/10/22 09:10 | Tomasz Tomaszuk v Jakub Kosowski | L | 0-3 |
| Challenger - Ochsenhausen | 2018/08/01 09:10 | Tomasz Tomaszuk v Jakub Kosowski | L | 0-3 |
| Challenger - Ochsenhausen | 2018/04/18 07:10 | Tomasz Tomaszuk v Jakub Kosowski | L | 1-3 |
| Challenger - Ochsenhausen | 2018/04/16 06:30 | Jakub Kosowski v Tomasz Tomaszuk | L | 3-1 |
| Challenger - Ochsenhausen | 2018/01/17 10:50 | Tomasz Tomaszuk v Jakub Kosowski | L | 2-3 |
| Challenger - Ochsenhausen | 2018/01/03 10:10 | Tomasz Tomaszuk v Jakub Kosowski | L | 2-3 |
| Challenger - Ochsenhausen | 2017/09/06 15:20 | Tomasz Tomaszuk v Jakub Kosowski | L | 0-3 |
| Challenger - Ochsenhausen | 2019/07/26 10:30 | Tomasz Tomaszuk v Brice Ollivier | L | 1-3 |
| Challenger - Ochsenhausen | 2019/07/26 07:50 | Tomasz Tomaszuk v Miroslav Horejsi | L | 0-3 |
| Challenger - Ochsenhausen | 2019/07/25 11:50 | Tomasz Tomaszuk v Hampus Soderlund | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/25 08:30 | Tomasz Tomaszuk v Evgueni Chtchetinine | L | 0-3 |
| Challenger - Ochsenhausen | 2019/07/24 11:50 | Tomasz Tomaszuk v Tomas Kopanyi | L | 1-3 |
| Challenger - Ochsenhausen | 2019/07/24 09:10 | Tomasz Tomaszuk v Florian Bluhm | L | 0-3 |
| Challenger - Ochsenhausen | 2019/07/24 06:30 | Tomasz Tomaszuk v Nico Wenger | L | 2-3 |
| Challenger - Ochsenhausen | 2019/07/23 11:00 | Miroslav Horejsi v Tomasz Tomaszuk | L | 3-0 |
| Challenger - Ochsenhausen | 2019/07/19 12:05 | Jakub Kosowski v Yannick Vostes | L | 2-3 |
| Challenger - Ochsenhausen | 2019/07/19 10:30 | Marius Henninger v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/18 12:30 | Jakub Kosowski v Liang Qiu | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/18 11:10 | Evgueni Chtchetinine v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/18 09:10 | Frane Runjic v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/17 13:10 | Fedor Kuzmin v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2019/07/17 09:50 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger - Ochsenhausen | 2019/07/17 07:10 | Yannick Vostes v Jakub Kosowski | L | 3-0 |