Stadium: Ochsenhausen, Germany Round: 28
| Challenger Series TT | 2024/10/04 09:45 | Olav Kosolosky v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2024/10/03 10:30 | Olav Kosolosky v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2024/08/08 17:00 | Olav Kosolosky v Daniel Rinderer | L | 0-3 |
| Challenger Series TT | 2025/06/10 10:30 | Rafael Turrini v Olav Kosolosky | L | 3-1 |
| Challenger Series TT | 2025/06/10 09:15 | Enio Mendes v Olav Kosolosky | W | 1-3 |
| Challenger Series TT | 2025/06/10 07:30 | Olav Kosolosky v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2025/06/09 17:00 | Olav Kosolosky v Andrii Ostrovskyi | W | 3-0 |
| Challenger Series TT | 2025/06/09 15:00 | Olav Kosolosky v Pylyp Koloidenko | W | 3-1 |
| Challenger Series TT | 2025/06/09 14:00 | Olav Kosolosky v Karl Zimmermann | W | 3-1 |
| Challenger Series TT | 2025/06/09 10:30 | Olav Kosolosky v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2025/06/09 08:30 | Olav Kosolosky v Karl Walter | W | 3-1 |
| Challenger Series TT | 2025/06/13 11:00 | Dennis Klein v Daniel Rinderer | L | 3-0 |
| Challenger Series TT | 2025/06/13 09:45 | Daniel Rinderer v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2025/06/13 08:30 | Enio Mendes v Daniel Rinderer | W | 0-3 |
| Challenger Series TT | 2025/06/12 17:00 | Dennis Klein v Daniel Rinderer | L | 3-0 |
| Challenger Series TT | 2025/06/12 15:30 | Daniel Rinderer v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2025/06/12 13:00 | Daniel Rinderer v Oliver Both | W | 3-0 |
| Challenger Series TT | 2025/06/12 11:30 | William Koehl v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2025/06/12 09:30 | Damian Zech v Daniel Rinderer | W | 0-3 |