Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/27 07:30 | Sven Happek v Sushmit Sriram | L | 0-3 |
| Challenger Ochsenhausen | 2020/02/07 12:25 | Sushmit Sriram v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2020/02/06 12:10 | Sven Happek v Sushmit Sriram | L | 0-3 |
| Challenger Ochsenhausen | 2019/04/12 09:50 | Sven Happek v Sushmit Sriram | L | 0-3 |
| Challenger Ochsenhausen | 2018/11/23 07:30 | Sven Happek v Sushmit Sriram | L | 2-3 |
| Challenger Ochsenhausen | 2018/01/10 10:50 | Sven Happek v Sushmit Sriram | L | 1-3 |
| Challenger Ochsenhausen | 2017/12/07 11:30 | Sven Happek v Sushmit Sriram | W | 3-1 |