Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/15 09:10 | Norbert Tauler v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/15 07:10 | Sven Happek v Liang Qiu | L | 2-3 |
| Challenger Series TT | 2023/05/23 09:10 | Sven Happek v Albert Vilardell | L | 1-3 |
| Challenger Series TT | 2023/05/22 19:50 | Sven Happek v Aljaz Godec | L | 0-3 |
| Challenger Series TT | 2023/05/22 17:10 | Sven Happek v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/05/22 14:30 | Michael Engelhardt v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/05/22 11:50 | Jeromy Loffler v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/05/22 09:50 | Sven Happek v Damian Zech | L | 0-3 |
| 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 |