Head to Head
| Challenger Series TT | 2023/06/20 12:05 | Carlo Rossi v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/20 10:30 | Sven Happek v Carlo Rossi | W | 3-1 |
| Challenger Ochsenhausen | 2022/05/31 09:10 | Sven Happek v Carlo Rossi | L | 0-3 |
| Challenger Ochsenhausen | 2021/09/30 11:50 | Sven Happek v Carlo Rossi | W | 3-1 |
| Challenger Ochsenhausen | 2019/09/23 16:40 | Carlo Rossi v Sven Happek | L | 3-2 |
Home History
| Challenger Series TT | 2023/06/22 19:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/06/22 17:10 | Sven Happek v Johannes Willeke | L | 2-3 |
| Challenger Series TT | 2023/06/22 14:30 | Dennis Klein v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/06/22 11:50 | Tobias Slanina v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/06/22 09:50 | Sven Happek v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/06/22 07:50 | Sven Happek v Ihor Zavadskyi | L | 1-3 |
| Challenger Series TT | 2023/06/20 12:50 | Jose Guillot v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/20 12:05 | Carlo Rossi v Sven Happek | L | 3-1 |
Away History
| Challenger Series TT | 2023/06/23 07:10 | Carlo Rossi v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2023/06/22 19:10 | Dennis Klein v Carlo Rossi | L | 3-1 |
| Challenger Series TT | 2023/06/22 16:30 | Tobias Slanina v Carlo Rossi | W | 0-3 |
| Challenger Series TT | 2023/06/22 13:50 | Carlo Rossi v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/06/22 10:30 | Carlo Rossi v Ihor Zavadskyi | W | 3-1 |
| Challenger Series TT | 2023/06/22 08:30 | Dauud Cheaib v Carlo Rossi | L | 3-1 |
| Challenger Series TT | 2023/06/20 13:30 | Dennis Klein v Carlo Rossi | L | 3-1 |
| Challenger Series TT | 2023/06/20 12:05 | Carlo Rossi v Sven Happek | W | 3-1 |