Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/03 10:10 | Damian Zech v Hannes Hormann | L | 1-3 |
| Challenger Series TT | 2023/05/23 09:50 | Jeromy Loffler v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/05/23 08:30 | Damian Zech v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/05/22 18:30 | Louis Price v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/05/22 15:50 | Aljaz Godec v Damian Zech | W | 0-3 |
| Challenger Series TT | 2023/05/22 13:50 | Albert Vilardell v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/05/22 09:50 | Sven Happek v Damian Zech | W | 0-3 |
| Challenger Series TT | 2023/05/22 07:10 | Michael Engelhardt v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/05/16 09:10 | David Molnar v Damian Zech | L | 3-2 |
| Challenger Series TT | 2023/02/03 10:10 | Damian Zech v Hannes Hormann | W | 1-3 |
| Challenger Series TT | 2023/02/03 08:10 | Hannes Hormann v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/02/02 20:10 | Kenan Hrnic v Hannes Hormann | W | 0-3 |
| Challenger Series TT | 2023/02/02 17:30 | Dennis Klein v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2023/02/02 14:50 | Hannes Hormann v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2023/02/02 11:30 | Hannes Hormann v Dillon Chambers | L | 1-3 |
| Challenger Series TT | 2023/02/02 09:30 | Hannes Hormann v Nikola Grujic | L | 2-3 |