| Challenger - Ochsenhausen | 2019/07/18 11:10 | Evgueni Chtchetinine v Jakub Kosowski | L | 0-3 |
| Challenger - Ochsenhausen | 2019/05/10 11:25 | Jakub Kosowski v Evgueni Chtchetinine | L | 3-0 |
| Challenger - Ochsenhausen | 2019/05/09 08:30 | Jakub Kosowski v Evgueni Chtchetinine | L | 3-1 |
| Challenger - Ochsenhausen | 2019/04/17 11:10 | Evgueni Chtchetinine v Jakub Kosowski | L | 1-3 |
| Challenger - Ochsenhausen | 2018/10/25 07:50 | Evgueni Chtchetinine v Jakub Kosowski | L | 2-3 |
| Challenger - Ochsenhausen | 2018/08/03 07:10 | Jakub Kosowski v Evgueni Chtchetinine | L | 3-2 |
| Challenger - Ochsenhausen | 2018/06/08 12:05 | Jakub Kosowski v Evgueni Chtchetinine | L | 3-1 |
| Challenger - Ochsenhausen | 2018/06/06 10:30 | Jakub Kosowski v Evgueni Chtchetinine | L | 3-1 |
| Challenger - Ochsenhausen | 2019/07/29 11:10 | Evgueni Chtchetinine v Miroslav Horejsi | L | 0-3 |
| Challenger - Ochsenhausen | 2019/07/29 08:30 | Carlos Muhlbach v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/26 12:50 | Miroslav Horejsi v Evgueni Chtchetinine | L | 3-1 |
| Challenger - Ochsenhausen | 2019/07/26 12:05 | Evgueni Chtchetinine v Florian Bluhm | W | 3-0 |
| Challenger - Ochsenhausen | 2019/07/26 08:30 | Evgueni Chtchetinine v Nico Wenger | W | 3-0 |
| Challenger - Ochsenhausen | 2019/07/26 06:30 | Tomas Kopanyi v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/25 10:30 | Florian Bluhm v Evgueni Chtchetinine | W | 1-3 |
| Challenger - Ochsenhausen | 2019/07/25 08:30 | Tomasz Tomaszuk v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/29 10:30 | Carlos Muhlbach v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/29 07:50 | Tomasz Tomaszuk v Jakub Kosowski | W | 2-3 |
| 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 |