| Bonn Int. | 2023/06/02 08:10 | Matthias Kicklitz v Zack Bobrowski | L | 2-0 |
| Bonn Int. | 2023/06/01 11:50 | Mateusz Danielak v Zack Bobrowski | W | 1-2 |
| Bonn Int. Qual | 2023/06/01 07:30 | Zack Bobrowski v Armin Sarosi | W | 2-0 |
| Bonn Int. Qual | 2023/05/31 16:10 | Ali Ahmed El Khateeb v Zack Bobrowski | W | 0-2 |
| Bonn Int. Qual | 2023/05/31 08:45 | Zack Bobrowski v Camilo Borst | W | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 14:05 | Dennis Koppen v Zack Bobrowski | L | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 09:25 | Zack Bobrowski v Jerome Pauquet | W | 2-0 |
| Welsh Int. Qual | 2022/11/29 10:00 | Wolfgang Gnedt v Zack Bobrowski | L | 2-0 |
| Slovenia Future Series Qual | 2023/09/07 14:00 | Richard Kuhl v Soren Hald | L | 0-2 |
| Slovenia Future Series Qual | 2023/09/07 11:05 | Richard Kuhl v Adam Konczol | W | 2-1 |
| Bonn Int. Qual | 2023/05/31 08:45 | Arthur Wakhevitsch v Richard Kuhl | L | 2-0 |
| Internationaux d'Islande - Qualif. | 2023/01/26 13:00 | Richard Kuhl v Andrzej Niczyporuk | W | 2-0 |
| Estonie Int. - Qualif. | 2023/01/12 10:30 | Richard Kuhl v Markus Barth | L | 1-2 |
| Estonie Int. - Qualif. | 2023/01/12 08:45 | Richard Kuhl v Zirk, Rannar | W | 2-0 |
| Dutch Open (GP) 2017, Qualification | 2022/10/12 11:05 | Anirudh Janardhanan v Richard Kuhl | L | 2-1 |
| Bulgarian Int. | 2022/10/07 06:30 | Aaron Sonnenschein v Richard Kuhl | L | 2-0 |