| Challenger Series TT | 2022/12/19 19:30 | Sven Happek v Josip Huzjak | W | 3-2 |
| Challenger Series TT | 2022/11/22 12:30 | Josip Huzjak v Sven Happek | W | 0-3 |
| Challenger Series TT | 2022/11/21 20:10 | Josip Huzjak v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2022/07/18 14:30 | Josip Huzjak v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/07/04 17:10 | Josip Huzjak v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2022/06/24 07:10 | Josip Huzjak v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/02/25 07:30 | Sven Happek v Josip Huzjak | W | 3-2 |
| Challenger Ochsenhausen | 2021/12/15 10:10 | Sven Happek v Josip Huzjak | L | 2-3 |
| Challenger Series TT | 2023/01/12 13:30 | Sven Happek v Makoto Nogami | W | 3-0 |
| Challenger Series TT | 2023/01/12 10:10 | Damian Zech v Sven Happek | W | 1-3 |
| Challenger Series TT | 2023/01/12 08:10 | Sven Happek v Jean Rassouw | W | 3-0 |
| Challenger Series TT | 2023/01/10 08:50 | Yongyin Li v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/01/09 20:50 | Kestutis Zeimys v Sven Happek | W | 2-3 |
| Challenger Series TT | 2023/01/09 18:50 | Yannick Vostes v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/01/09 16:50 | Sven Happek v Jean Rassouw | W | 3-1 |
| Challenger Series TT | 2023/01/09 14:10 | Sven Happek v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/01/12 12:50 | Damian Zech v Josip Huzjak | W | 0-3 |
| Challenger Series TT | 2023/01/12 10:50 | Josip Huzjak v Jean Rassouw | W | 3-0 |
| Challenger Series TT | 2023/01/12 08:50 | Josip Huzjak v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2022/12/20 10:50 | Samuel Amann v Josip Huzjak | W | 0-3 |
| Challenger Series TT | 2022/12/20 09:30 | Josip Huzjak v Liang Qiu | L | 1-3 |
| Challenger Series TT | 2022/12/19 19:30 | Sven Happek v Josip Huzjak | L | 3-2 |
| Challenger Series TT | 2022/12/19 16:50 | Marko Panic v Josip Huzjak | W | 0-3 |
| Challenger Series TT | 2022/12/19 14:50 | Dauud Cheaib v Josip Huzjak | L | 3-0 |