| Challenger Ochsenhausen | 2018/10/24 12:30 | Petr David v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2018/10/23 09:00 | Jakub Kosowski v Petr David | W | 3-1 |
| Challenger Ochsenhausen | 2018/06/05 12:35 | Petr David v Jakub Kosowski | L | 3-2 |
| Challenger Ochsenhausen | 2018/06/04 12:30 | Jakub Kosowski v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2018/03/19 13:30 | Petr David v Jakub Kosowski | L | 3-0 |
| Challenger Ochsenhausen | 2017/06/07 09:10 | Petr David v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2016/12/20 08:51 | Petr David v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2016/11/15 14:10 | Jakub Kosowski v Petr David | W | 3-1 |
| Challenger Ochsenhausen | 2018/11/19 12:10 | Jakub Kosowski v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2018/11/19 09:30 | Rodrigo Tapia v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2018/10/26 12:05 | Jakub Kosowski v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2018/10/26 08:30 | Yannick Vostes v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2018/10/25 12:30 | Michal Benes v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2018/10/25 09:50 | Jakub Folwarski v Jakub Kosowski | L | 3-2 |
| Challenger Ochsenhausen | 2018/10/25 07:50 | Evgueni Chtchetinine v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2018/10/24 12:30 | Petr David v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2018/11/19 11:30 | Rodrigo Tapia v Petr David | W | 0-3 |
| Challenger Ochsenhausen | 2018/11/19 08:50 | Valerij Rakov v Petr David | L | 3-2 |
| Challenger Ochsenhausen | 2018/10/26 11:25 | Yannick Vostes v Petr David | L | 3-1 |
| Challenger Ochsenhausen | 2018/10/26 09:50 | Petr David v Evgueni Chtchetinine | W | 3-1 |
| Challenger Ochsenhausen | 2018/10/26 07:10 | Petr David v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2018/10/25 10:30 | Petr David v Yannick Vostes | L | 2-3 |
| Challenger Ochsenhausen | 2018/10/25 07:10 | Petr David v Jakub Folwarski | W | 3-0 |
| Challenger Ochsenhausen | 2018/10/24 12:30 | Petr David v Jakub Kosowski | L | 2-3 |