Stadium: Ochsenhausen, Germany Round: 50
| Challenger Series TT | 2025/01/16 16:00 | Johannes Willeke v Olav Kosolosky | W | 1-3 |
| Challenger Series TT | 2025/01/17 10:15 | Olav Kosolosky v Peter Hribar | L | 2-3 |
| Challenger Series TT | 2025/01/17 07:30 | Alfred Dela Pena v Olav Kosolosky | W | 1-3 |
| Challenger Series TT | 2025/01/16 17:30 | Aleksandar Grujic v Olav Kosolosky | W | 0-3 |
| Challenger Series TT | 2025/01/16 16:00 | Johannes Willeke v Olav Kosolosky | W | 1-3 |
| Challenger Series TT | 2025/01/16 14:30 | Olav Kosolosky v Boris Brnovic | W | 3-1 |
| Challenger Series TT | 2025/01/16 12:30 | Olav Kosolosky v Damian Zech | W | 3-0 |
| Challenger Series TT | 2025/01/16 11:00 | Olav Kosolosky v Jeromy Loffler | W | 3-0 |
| Challenger Series TT | 2025/01/16 09:00 | Peter Hribar v Olav Kosolosky | W | 0-3 |
| Challenger Series TT | 2025/01/17 10:45 | Jeromy Loffler v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2025/01/17 09:00 | Johannes Willeke v Boris Brnovic | W | 3-2 |
| Challenger Series TT | 2025/01/16 18:00 | Johannes Willeke v Damian Zech | W | 3-2 |
| Challenger Series TT | 2025/01/16 16:00 | Johannes Willeke v Olav Kosolosky | L | 1-3 |
| Challenger Series TT | 2025/01/16 15:00 | Johannes Willeke v Peter Hribar | W | 3-2 |
| Challenger Series TT | 2025/01/16 11:30 | Johannes Willeke v Aleksandar Grujic | W | 3-0 |
| Challenger Series TT | 2025/01/16 09:30 | Johannes Willeke v Alfred Dela Pena | W | 3-2 |
| Challenger Series TT | 2025/01/16 07:30 | Johannes Willeke v Jeromy Loffler | L | 2-3 |