| Challenger Series TT | 2022/12/19 11:30 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/12/15 20:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/12/05 10:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/11/28 18:10 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2022/11/17 15:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/25 08:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2022/07/18 07:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/07/05 08:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/01/09 09:30 | Daniel Rinderer v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/12/20 11:30 | Pavol Mego v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/12/20 07:30 | Samuel Amann v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/12/19 19:30 | Sven Happek v Josip Huzjak | W | 3-2 |
| Challenger Series TT | 2022/12/19 16:10 | Sven Happek v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2022/12/19 14:10 | Marko Panic v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/12/19 11:30 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/12/19 08:50 | Rafael De Las Heras v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/01/09 07:30 | Yannick Vostes v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/01/06 14:30 | Dauud Cheaib v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2023/01/06 12:25 | Dauud Cheaib v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2023/01/06 11:30 | David Kumpel v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/01/06 07:30 | Daniel Rinderer v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/01/05 19:30 | Dauud Cheaib v Salim Karam | W | 3-0 |
| Challenger Series TT | 2023/01/05 16:10 | Dauud Cheaib v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2023/01/05 14:10 | Liang Qiu v Dauud Cheaib | W | 1-3 |