Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/01/06 11:30 | David Kumpel v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/01/06 08:50 | David Kumpel v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2023/01/05 20:10 | David Kumpel v Samuel Amann | L | 2-3 |
| Challenger Series TT | 2023/01/05 15:30 | David Kumpel v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/01/05 13:30 | David Kumpel v Marius Henninger | L | 0-3 |
| Challenger Series TT | 2023/01/05 10:10 | Daniel Rinderer v David Kumpel | L | 3-0 |
| Challenger Series TT | 2023/01/05 08:10 | David Kumpel v Salim Karam | L | 2-3 |