| Challenger de Ochsenhausen | 2018/12/19 11:30 | Yannick Vostes v Jakub Kosowski | L | 1-3 |
| Challenger de Ochsenhausen | 2018/11/23 13:50 | Yannick Vostes v Jakub Kosowski | W | 3-2 |
| Challenger de Ochsenhausen | 2018/11/22 12:50 | Jakub Kosowski v Yannick Vostes | W | 0-3 |
| Challenger de Ochsenhausen | 2018/10/26 08:30 | Yannick Vostes v Jakub Kosowski | W | 3-1 |
| Challenger de Ochsenhausen | 2018/08/01 07:10 | Jakub Kosowski v Yannick Vostes | L | 3-1 |
| Challenger de Ochsenhausen | 2018/04/20 12:50 | Yannick Vostes v Jakub Kosowski | W | 3-0 |
| Challenger de Ochsenhausen | 2018/04/19 09:10 | Yannick Vostes v Jakub Kosowski | L | 2-3 |
| Challenger de Ochsenhausen | 2017/12/19 08:50 | Yannick Vostes v Jakub Kosowski | W | 3-1 |
| Challenger de Ochsenhausen | 2019/04/18 11:10 | Liang Qiu v Yannick Vostes | L | 3-2 |
| Challenger de Ochsenhausen | 2019/04/18 09:10 | Evgueni Chtchetinine v Yannick Vostes | W | 0-3 |
| Challenger de Ochsenhausen | 2019/04/17 13:10 | Lehel Demeter v Yannick Vostes | W | 0-3 |
| Challenger de Ochsenhausen | 2019/04/17 09:50 | Adam Duch v Yannick Vostes | W | 0-3 |
| Challenger de Ochsenhausen | 2019/04/17 07:10 | Pawel Grela v Yannick Vostes | W | 1-3 |
| Challenger de Ochsenhausen | 2019/03/08 13:50 | Yannick Vostes v Fedor Kuzmin | L | 1-3 |
| Challenger de Ochsenhausen | 2019/03/08 12:25 | Yannick Vostes v Florian Bluhm | W | 3-0 |
| Challenger de Ochsenhausen | 2019/03/08 10:50 | Yannick Vostes v Josip Huzjak | W | 3-0 |
| Challenger de Ochsenhausen | 2019/04/18 09:50 | Adam Duch v Jakub Kosowski | W | 0-3 |
| Challenger de Ochsenhausen | 2019/04/18 07:50 | Liang Qiu v Jakub Kosowski | L | 3-2 |
| Challenger de Ochsenhausen | 2019/04/17 12:30 | Pawel Grela v Jakub Kosowski | W | 1-3 |
| Challenger de Ochsenhausen | 2019/04/17 11:10 | Evgueni Chtchetinine v Jakub Kosowski | W | 1-3 |
| Challenger de Ochsenhausen | 2019/04/17 06:30 | Daniel Gorak v Jakub Kosowski | W | 2-3 |
| Challenger de Ochsenhausen | 2019/03/15 12:25 | Bence Majoros v Jakub Kosowski | L | 3-1 |
| Challenger de Ochsenhausen | 2019/03/15 11:30 | Jakub Kosowski v Filip Zeljko | W | 3-2 |
| Challenger de Ochsenhausen | 2019/03/15 08:50 | Jakub Kosowski v Bence Majoros | L | 0-3 |