Estadio: Ochsenhausen, Germany
| Challenger Series TT | 2024/02/26 14:10 | Dennis Klein v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/02/26 11:30 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/02/26 08:50 | Samuel Amann v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/02/06 13:50 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2024/02/06 12:25 | Rafael Turrini v Sven Happek | L | 3-1 |
| Challenger Series TT | 2024/02/06 11:30 | Sven Happek v Aljaz Godec | W | 3-2 |
| Challenger Series TT | 2024/02/06 08:50 | Sven Happek v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2024/02/05 20:10 | Sven Happek v Marc Miro Llorente | W | 3-1 |
| Challenger Series TT | 2024/02/26 13:30 | Alexander Valuch v Haruki Harada | L | 3-0 |
| Challenger Series TT | 2024/02/26 12:10 | Dennis Klein v Haruki Harada | W | 2-3 |
| Challenger Series TT | 2024/02/26 07:30 | Akito Itagaki v Haruki Harada | W | 0-3 |
| Challenger Series TT | 2024/02/23 15:10 | Haruki Harada v Carlo Rossi | L | 1-3 |
| Challenger Series TT | 2024/02/23 13:00 | Haruki Harada v Alexander Valuch | W | 3-2 |
| Challenger Series TT | 2024/02/23 11:30 | Alexander Valuch v Haruki Harada | W | 2-3 |
| Challenger Series TT | 2024/02/23 07:30 | Miguel Nunez v Haruki Harada | W | 0-3 |
| Challenger Series TT | 2024/02/22 19:30 | Haruki Harada v Carlo Rossi | L | 2-3 |