Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/16 11:50 | Dennis Klein v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/10/16 09:10 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/10/16 06:30 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/09/08 12:50 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/09/08 11:25 | Dennis Klein v Rafael Turrini | L | 2-3 |
| Challenger Series TT | 2023/09/08 09:50 | Dennis Klein v Miguel Nunez | W | 3-0 |
| Challenger Series TT | 2023/09/08 06:30 | Dennis Klein v Corentin Mazaud | W | 3-1 |
| Challenger Series TT | 2023/09/07 17:50 | Dennis Klein v Oliver Both | W | 3-0 |
| Challenger Series TT | 2023/10/16 13:50 | Carlos Caballero v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/10/16 10:30 | Carlos Caballero v Jong-Eon Yeon | W | 3-0 |
| Challenger Series TT | 2023/10/16 08:30 | Carlos Caballero v Stephane Ouaiche | W | 3-1 |
| Challenger Series TT | 2023/08/15 12:10 | Daniel Rinderer v Carlos Caballero | W | 2-3 |
| Challenger Series TT | 2023/08/15 10:45 | Carlos Caballero v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/08/15 07:50 | Samuel Amann v Carlos Caballero | W | 0-3 |
| Challenger Series TT | 2023/08/14 17:50 | Daniel Rinderer v Carlos Caballero | W | 1-3 |
| Challenger Series TT | 2023/08/14 15:50 | Marcel Neumaier v Carlos Caballero | W | 0-3 |