Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/12/07 10:50 | Miguel Nunez v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/10/06 07:50 | Sven Happek v Miguel Nunez | W | 3-2 |
| Challenger Series TT | 2023/04/20 16:30 | Sven Happek v Miguel Nunez | W | 3-1 |
| Challenger Series TT | 2022/11/17 20:50 | Sven Happek v Miguel Nunez | L | 2-3 |
| Challenger Series TT | 2024/03/11 09:30 | Marco Stefanidis v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/03/05 08:10 | Alexander Valuch v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/03/04 18:50 | Zhenlong Liu v Sven Happek | W | 2-3 |
| Challenger Series TT | 2024/03/04 16:10 | Sven Happek v Nico Longhino | L | 2-3 |
| Challenger Series TT | 2024/03/04 13:30 | Sven Happek v Pekka Pelz | L | 1-3 |
| Challenger Series TT | 2024/03/04 12:10 | Sven Happek v Eusebio Vos | W | 3-2 |
| Challenger Series TT | 2024/03/04 09:30 | Marius Henninger v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/02/27 11:30 | Alexander Valuch v Sven Happek | L | 3-1 |
| Challenger Series TT | 2024/03/11 07:30 | Diego Lillo v Miguel Nunez | W | 2-3 |
| Challenger Series TT | 2024/02/23 10:50 | Miguel Nunez v Carlo Rossi | L | 1-3 |
| Challenger Series TT | 2024/02/23 07:30 | Miguel Nunez v Haruki Harada | L | 0-3 |
| Challenger Series TT | 2024/02/22 18:50 | Miguel Nunez v Benjamin Fruchart | L | 1-3 |
| Challenger Series TT | 2024/02/22 17:30 | Miguel Nunez v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2024/02/22 12:50 | Miguel Nunez v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2024/02/22 10:10 | Miguel Nunez v Alexander Valuch | L | 1-3 |
| Challenger Series TT | 2024/02/22 07:30 | Miguel Nunez v Rodrigo Hidalgo | W | 3-2 |