Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/12/15 12:50 | Kirill Fadeev v Sven Happek | W | 3-2 |
| Challenger Series TT | 2022/11/17 12:50 | Kirill Fadeev v Sven Happek | W | 3-0 |
| Challenger Series TT | 2022/10/11 12:50 | Kirill Fadeev v Sven Happek | L | 2-3 |
| Challenger Series TT | 2022/10/11 08:30 | Kirill Fadeev v Sven Happek | L | 0-3 |
| Challenger Series TT | 2022/09/13 07:10 | Sven Happek v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2022/07/26 07:10 | Sven Happek v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2022/07/12 09:50 | Kirill Fadeev v Sven Happek | W | 3-1 |
| Challenger Series TT | 2022/07/04 12:30 | Kirill Fadeev v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/04/24 12:30 | Kirill Fadeev v Max Klink | W | 3-1 |
| Challenger Series TT | 2023/04/24 09:10 | Tobias Slanina v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/04/24 07:10 | Kirill Fadeev v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/04/07 10:30 | Kirill Fadeev v Yonghun Lee | W | 3-1 |
| Challenger Series TT | 2023/04/07 07:50 | Kirill Fadeev v Florian Bourrassaud | L | 0-3 |
| Challenger Series TT | 2023/04/06 19:10 | Kirill Fadeev v Yannick Vostes | W | 3-1 |
| Challenger Series TT | 2023/04/06 14:30 | Kirill Fadeev v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/04/06 12:30 | Kirill Fadeev v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/04/24 11:50 | Tobias Slanina v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/04/24 09:50 | Sven Happek v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/04/24 07:50 | Sven Happek v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/04/21 11:30 | Sven Happek v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/04/21 10:05 | Humberto Manhani v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/04/21 09:10 | Sven Happek v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/04/21 07:50 | Sven Happek v Martin Andersen | L | 0-3 |
| Challenger Series TT | 2023/04/20 16:30 | Sven Happek v Miguel Nunez | W | 3-1 |