Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/04/18 09:10 | Sven Happek v Simon Berglund | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/28 09:10 | Sven Happek v Simon Berglund | W | 0-3 |
| Challenger Ochsenhausen | 2022/06/24 08:30 | Simon Berglund v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2022/06/21 07:10 | Simon Berglund v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/16 12:50 | Sven Happek v Simon Berglund | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/11 12:10 | Simon Berglund v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2021/02/11 12:50 | Sven Happek v Simon Berglund | W | 0-3 |
| TT Star Series | 2023/11/16 13:30 | Romain Ruiz v Simon Berglund | L | 3-0 |
| TT Star Series | 2023/11/16 11:45 | Romain Ruiz v Simon Berglund | L | 3-2 |
| TT Star Series | 2023/11/16 09:15 | Andrew Baggaley v Simon Berglund | L | 3-2 |
| TT Star Series | 2023/11/15 14:45 | Simon Berglund v Viktor Yefimov | W | 3-2 |
| TT Star Series | 2023/11/15 10:15 | Simon Berglund v Oleksandr Tymofieiev | W | 3-0 |
| TT Star Series | 2023/11/15 08:45 | Juan Perez v Simon Berglund | W | 0-3 |
| TT Star Series | 2023/11/14 12:55 | Simon Berglund v Andrew Baggaley | W | 3-1 |
| TT Star Series | 2023/11/14 11:45 | Simon Berglund v Tommaso Giovannetti | W | 3-0 |
| Challenger Series TT | 2023/12/07 13:30 | Alexander Valuch v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/12/07 10:50 | Miguel Nunez v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/12/07 08:10 | Samuel Amann v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/11/14 09:30 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/11/14 08:10 | Vidit Desai v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/11/13 18:10 | Akito Itagaki v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/11/13 16:10 | Martin Baechler v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/11/13 13:30 | Alexander Valuch v Sven Happek | L | 3-1 |