Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/05 07:50 | Damian Zech v Akito Itagaki | L | 0-3 |
| 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 |
| Challenger Series TT | 2023/11/27 15:30 | Damian Zech v Armin Alicic | W | 3-2 |
| Challenger Series TT | 2023/11/27 14:10 | Michael Fuchs v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/11/27 11:30 | Johannes Willeke v Damian Zech | L | 3-2 |
| Challenger Series TT | 2023/12/04 14:50 | Daniel Rinderer v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/12/04 10:50 | Dauud Cheaib v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/12/04 08:10 | Alexander Valuch v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/11/21 08:50 | Mike Hollo v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/11/20 20:50 | Abdelbasset Chaichi v Akito Itagaki | W | 0-3 |
| Challenger Series TT | 2023/11/20 18:50 | Jeromy Loffler v Akito Itagaki | L | 3-0 |
| Challenger Series TT | 2023/11/20 16:50 | Akito Itagaki v Norbert Tauler | L | 0-3 |
| Challenger Series TT | 2023/11/20 14:10 | Akito Itagaki v Rafael Turrini | L | 1-3 |