Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/08/07 09:10 | Hannes Hormann v Florian Bourrassaud | L | 1-3 |
| Challenger Series TT | 2023/08/07 06:30 | Hannes Hormann v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2023/08/04 12:50 | Hannes Hormann v Zengyi Wang | L | 0-3 |
| Challenger Series TT | 2023/08/04 11:25 | Anton Limonov v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/08/04 09:50 | Damian Zech v Hannes Hormann | W | 0-3 |
| Challenger Series TT | 2023/08/04 08:30 | Hannes Hormann v Karl Zimmermann | W | 3-1 |
| Challenger Series TT | 2023/08/03 18:30 | Zengyi Wang v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/08/03 15:50 | Anton Limonov v Hannes Hormann | W | 0-3 |
| Challenger Series TT | 2023/08/07 09:50 | Salim Karam v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2023/08/07 07:50 | Salim Karam v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/02/24 08:50 | Marcel Neumaier v Salim Karam | L | 3-1 |
| Challenger Series TT | 2023/02/23 20:50 | Guilherme Teodoro v Salim Karam | L | 3-0 |
| Challenger Series TT | 2023/02/23 18:50 | Florian Bluhm v Salim Karam | L | 3-0 |
| Challenger Series TT | 2023/02/23 16:50 | Salim Karam v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/02/23 14:10 | Salim Karam v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/02/23 12:10 | Salim Karam v Jeromy Loffler | L | 0-3 |