| Challenger Ochsenhausen | 2019/11/22 09:30 | Yannick Vostes v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2019/07/15 19:20 | Yannick Vostes v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/05/17 09:10 | Sven Happek v Yannick Vostes | L | 0-3 |
| Challenger Ochsenhausen | 2018/11/23 12:25 | Yannick Vostes v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2018/11/23 10:10 | Sven Happek v Yannick Vostes | L | 0-3 |
| Challenger Ochsenhausen | 2018/09/12 07:50 | Yannick Vostes v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/06/20 10:30 | Yannick Vostes v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/03/26 07:50 | Yannick Vostes v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/07/12 09:50 | Kirill Fadeev v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/07/12 08:30 | Sven Happek v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2022/07/11 18:30 | Amir Hossein Hodaei v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/07/11 15:50 | Michael Engelhardt v Sven Happek | W | 2-3 |
| Challenger Series TT | 2022/07/11 13:50 | Daniel Rinderer v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/11 09:50 | Felix Kleeberg v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/07/11 07:10 | Samuel Amann v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/07/05 08:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Champions League | 2020/12/13 16:40 | Yannick Vostes v Cedric Nuytinck | L | 1-3 |
| Champions League | 2020/12/12 16:00 | Andrej Gacina v Yannick Vostes | L | 3-1 |
| Champions League | 2020/12/11 16:20 | Timo Boll v Yannick Vostes | L | 3-0 |
| ETTU Cup | 2020/02/08 17:49 | Yannick Vostes v Vasily Lakeev | L | 2-3 |
| Challenger Ochsenhausen | 2020/01/07 14:15 | Harmeet Desai v Yannick Vostes | L | 3-2 |
| Challenger Ochsenhausen | 2020/01/07 11:20 | Harmeet Desai v Yannick Vostes | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/07 09:20 | Yannick Vostes v Josip Huzjak | W | 3-0 |
| Challenger Ochsenhausen | 2020/01/06 21:00 | Mathieu De Saintilan v Yannick Vostes | W | 0-3 |