Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/23 07:10 | Damian Zech v Alexander Valuch | W | 0-3 |
| Challenger Ochsenhausen | 2022/01/25 07:30 | Damian Zech v Alexander Valuch | W | 1-3 |
| Challenger Ochsenhausen | 2021/12/06 17:00 | Alexander Valuch v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/12/04 20:10 | Alexander Valuch v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2023/12/04 15:30 | Alexander Valuch v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/12/04 13:30 | Alexander Valuch v Rafael Turrini | L | 1-3 |
| Challenger Series TT | 2023/12/04 10:10 | Carlo Rossi v Alexander Valuch | L | 3-1 |
| Challenger Series TT | 2023/12/04 08:10 | Alexander Valuch v Akito Itagaki | W | 3-1 |
| WTT Feeder Dusseldorf III Quals | 2023/11/27 18:20 | Alexander Valuch v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2023/11/14 11:30 | Alexander Valuch v Martin Baechler | L | 0-3 |
| Challenger Series TT | 2023/11/14 08:50 | Alexander Valuch v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/12/04 20:50 | Dauud Cheaib v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/12/04 18:50 | Carlo Rossi v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/12/04 16:50 | Damian Zech v Akito Itagaki | L | 1-3 |
| Challenger Series TT | 2023/12/04 14:10 | Damian Zech v Corentin Mazaud | L | 0-3 |
| Challenger Series TT | 2023/12/04 12:10 | Damian Zech v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/12/04 09:30 | Daniel Rinderer v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/11/28 07:30 | Aljaz Godec v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/11/27 18:50 | Damian Zech v Liang Qiu | L | 0-3 |