| TT Star Series | 2023/02/14 11:15 | David Reitspies v Boguslaw Koszyk | L | 3-0 |
| TT Star Series | 2022/06/13 07:10 | Boguslaw Koszyk v David Reitspies | L | 2-3 |
| TT Star Series | 2021/11/15 09:45 | Boguslaw Koszyk v David Reitspies | L | 0-3 |
| TT Star Series | 2023/07/06 11:45 | Boguslaw Koszyk v John Oyebode | L | 1-3 |
| TT Star Series | 2023/07/06 08:45 | Boguslaw Koszyk v Anton Limonov | L | 0-3 |
| TT Star Series | 2023/07/06 06:35 | Boguslaw Koszyk v Yevhen Pryshchepa | L | 0-2 |
| TT Star Series | 2023/07/05 12:45 | Boguslaw Koszyk v Jide Ogidiolu | W | 3-0 |
| TT Star Series | 2023/07/05 10:15 | Boguslaw Koszyk v Martin Andersen | W | 3-1 |
| TT Star Series | 2023/07/05 08:15 | Boguslaw Koszyk v Miroslav Horejsi | L | 0-3 |
| TT Star Series | 2023/07/05 06:00 | Boguslaw Koszyk v Jakub Kaucky | W | 3-1 |
| TT Star Series | 2023/06/22 11:45 | Boguslaw Koszyk v Miguel Nunez | L | 1-3 |
| Tischtennis - Challenger Series | 2023/07/07 13:30 | Dennis Klein v David Reitspies | L | 3-2 |
| Tischtennis - Challenger Series | 2023/07/07 12:05 | David Reitspies v Benjamin Fruchart | W | 3-1 |
| Tischtennis - Challenger Series | 2023/07/07 09:50 | Johannes Willeke v David Reitspies | W | 0-3 |
| Tischtennis - Challenger Series | 2023/07/07 08:30 | David Reitspies v Liang Qiu | L | 1-3 |
| Tischtennis - Challenger Series | 2023/07/06 18:30 | Dauud Cheaib v David Reitspies | W | 0-3 |
| Tischtennis - Challenger Series | 2023/07/06 15:50 | Benjamin Fruchart v David Reitspies | W | 1-3 |
| Tischtennis - Challenger Series | 2023/07/06 13:50 | Mathias Golab v David Reitspies | W | 0-3 |
| Tischtennis - Challenger Series | 2023/07/06 09:50 | Dennis Klein v David Reitspies | L | 3-0 |