Estadio: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/20 12:50 | Jose Guillot v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/20 12:05 | Carlo Rossi v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/20 10:30 | Sven Happek v Carlo Rossi | W | 3-1 |
| Challenger Series TT | 2023/06/20 07:50 | Sven Happek v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/06/19 19:10 | Sven Happek v Aljaz Godec | W | 3-2 |
| Challenger Series TT | 2023/06/19 14:30 | Sven Happek v Marco Stefanidis | W | 3-1 |
| Challenger Series TT | 2023/06/19 12:30 | Sven Happek v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/06/19 09:10 | Dennis Klein v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/15 17:50 | Yannick Vostes v Zengyi Wang | L | 3-0 |
| Challenger Series TT | 2023/06/15 16:30 | Norbert Tauler v Zengyi Wang | W | 1-3 |
| Challenger Series TT | 2023/06/15 14:30 | Zengyi Wang v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2023/06/15 12:30 | Zengyi Wang v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/06/15 11:10 | Zengyi Wang v Jose Guillot | W | 3-1 |
| Challenger Series TT | 2023/06/15 08:30 | Enio Mendes v Zengyi Wang | L | 3-2 |
| TT Star Series | 2023/06/03 10:15 | Thomas Keinath v Zengyi Wang | W | 0-3 |
| TT Star Series | 2023/06/03 08:45 | Michal Bankosz v Zengyi Wang | L | 3-1 |