| Challenger Ochsenhausen | 2022/06/27 09:10 | Samuel Amann v Sven Happek | L | 2-3 |
| Challenger Ochsenhausen | 2022/01/27 08:10 | Sven Happek v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2022/01/20 12:50 | Samuel Amann v Sven Happek | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/17 07:10 | Sven Happek v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2022/06/28 08:30 | Samuel Amann v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2022/06/28 06:30 | Samuel Amann v Simon Berglund | L | 0-3 |
| Challenger Ochsenhausen | 2022/06/27 15:50 | Samuel Amann v Amir Hossein Hodaei | L | 1-3 |
| Challenger Ochsenhausen | 2022/06/27 15:10 | Samuel Amann v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2022/06/27 11:50 | Samuel Amann v Damian Zech | L | 1-3 |
| Challenger Ochsenhausen | 2022/06/27 09:10 | Samuel Amann v Sven Happek | L | 2-3 |
| Challenger Ochsenhausen | 2022/05/17 10:30 | Samuel Amann v Carlos Ishida | L | 0-3 |
| Challenger Ochsenhausen | 2022/05/17 07:50 | Samuel Amann v Myshaal Sabhi | L | 0-3 |
| Challenger Series TT | 2022/07/05 08:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/05 07:10 | Mohammadali Rouintanesfahani v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/04 17:10 | Josip Huzjak v Sven Happek | W | 0-3 |
| Challenger Series TT | 2022/07/04 15:10 | Amirreza Abbasi v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/07/04 12:30 | Kirill Fadeev v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/04 11:10 | Amir Hossein Hodaei v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/07/04 06:30 | Nico Wenger v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/28 09:10 | Sven Happek v Simon Berglund | L | 0-3 |