| Challenger - Ochsenhausen | 2018/04/18 09:50 | Valerij Rakov v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/04/16 11:50 | Jakub Kosowski v Valerij Rakov | W | 3-1 |
| Challenger - Ochsenhausen | 2018/03/19 17:00 | Valerij Rakov v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2017/09/07 10:20 | Jakub Kosowski v Valerij Rakov | W | 3-0 |
| Challenger - Ochsenhausen | 2017/01/23 12:02 | Valerij Rakov v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/06/04 20:00 | Jakub Kosowski v Liang Qiu | W | 3-1 |
| Challenger - Ochsenhausen | 2018/06/04 15:20 | Jakub Kosowski v Frane Kojic | L | 1-3 |
| Challenger - Ochsenhausen | 2018/06/04 12:30 | Jakub Kosowski v Petr David | L | 0-3 |
| Challenger - Ochsenhausen | 2018/06/04 09:10 | Jakub Kleprlik v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2018/06/04 07:10 | Jakub Kosowski v Jakub Folwarski | W | 3-0 |
| Challenger - Ochsenhausen | 2018/06/01 08:30 | Can Akkuzu v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/05/31 12:30 | Adam Szudi v Jakub Kosowski | L | 3-1 |
| Challenger - Ochsenhausen | 2018/05/31 09:50 | Miroslav Horejsi v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2018/06/05 07:00 | Frane Kojic v Valerij Rakov | L | 3-2 |
| Challenger - Ochsenhausen | 2018/06/04 18:40 | Jakub Kleprlik v Valerij Rakov | L | 3-1 |
| Challenger - Ochsenhausen | 2018/06/04 16:40 | Valerij Rakov v Jakub Folwarski | L | 2-3 |
| Challenger - Ochsenhausen | 2018/06/04 14:00 | Valerij Rakov v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2018/06/04 11:10 | Valerij Rakov v Petr David | L | 0-3 |
| Challenger - Ochsenhausen | 2018/06/04 08:30 | Liang Qiu v Valerij Rakov | L | 3-2 |
| Challenger - Ochsenhausen | 2018/05/22 09:00 | Petr David v Valerij Rakov | L | 3-1 |
| Challenger - Ochsenhausen | 2018/05/22 07:00 | Anders Lind v Valerij Rakov | L | 3-0 |