Stadium: Ochsenhausen, Germany Round: 50
| Challenger Series TT | 2022/09/19 15:50 | Sven Happek v Marcel Neumaier | L | 1-3 |
| Challenger Ochsenhausen | 2019/07/10 07:50 | Marcel Neumaier v Sven Happek | W | 1-3 |
| Challenger Series TT | 2025/02/25 09:30 | Sven Happek v Chia-Hao Chang | W | 3-0 |
| Challenger Series TT | 2025/02/25 07:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2025/02/24 17:30 | Sven Happek v Marco Stefanidis | L | 0-3 |
| Challenger Series TT | 2025/02/24 14:00 | Sven Happek v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2025/02/24 12:30 | Sven Happek v Kaito Yamashita | W | 3-2 |
| Challenger Series TT | 2025/02/24 10:00 | Milad Abedianin v Sven Happek | L | 3-2 |
| Challenger Series TT | 2025/02/24 08:30 | Sven Happek v Vincent Senkbeil | L | 2-3 |
| Challenger Series TT | 2025/01/28 10:00 | Armin Alicic v Sven Happek | L | 3-1 |
| Challenger Series TT | 2024/08/13 08:00 | Marcel Neumaier v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2024/08/12 17:00 | Marcel Neumaier v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2024/08/12 15:00 | Marcel Neumaier v Xavier Pearl | L | 1-3 |
| Challenger Series TT | 2024/08/12 14:00 | Marcel Neumaier v Matthew Lehmann | W | 3-0 |
| Challenger Series TT | 2024/08/12 10:30 | Marcel Neumaier v Kestutis Zeimys | L | 0-3 |
| Challenger Series TT | 2024/08/12 08:30 | Marcel Neumaier v Matthias Danzer | L | 2-3 |
| Challenger Series TT | 2024/08/12 06:30 | Marcel Neumaier v Lukas Bosbach | W | 3-0 |
| Challenger Series TT | 2023/08/15 08:30 | Marcel Neumaier v Marco Stefanidis | L | 1-3 |