Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/02/26 09:30 | Liang Qiu v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2024/01/30 14:30 | Alberto Lillo v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/01/30 13:05 | Dennis Klein v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2024/01/30 10:50 | Adrien Coton v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/01/30 09:30 | Dennis Klein v Benjamin Fruchart | L | 2-3 |
| Challenger Series TT | 2024/01/29 19:30 | Dauud Cheaib v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2024/01/29 16:50 | Sven Happek v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/01/29 14:50 | Mohammed Javad Sohrabi v Dennis Klein | W | 1-3 |
| 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 |
| Challenger Series TT | 2024/02/22 16:10 | Haruki Harada v Rodrigo Hidalgo | W | 3-2 |
| Challenger Series TT | 2024/02/22 14:10 | Benjamin Fruchart v Haruki Harada | W | 1-3 |