| Challenger Ochsenhausen | 2022/07/18 14:30 | Josip Huzjak v Sven Happek | L | 1-3 |
| Challenger Series TT | 2022/07/04 17:10 | Josip Huzjak v Sven Happek | L | 0-3 |
| Challenger Ochsenhausen | 2022/06/24 07:10 | Josip Huzjak v Sven Happek | L | 1-3 |
| Challenger Series TT | 2022/02/25 07:30 | Sven Happek v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2021/12/15 10:10 | Sven Happek v Josip Huzjak | W | 2-3 |
| Challenger Ochsenhausen | 2021/12/03 08:50 | Sven Happek v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2021/07/14 11:50 | Sven Happek v Josip Huzjak | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/31 09:50 | Josip Huzjak v Sven Happek | L | 2-3 |
| Challenger Series TT | 2022/11/21 15:30 | Josip Huzjak v Salim Karam | W | 3-0 |
| Challenger Series TT | 2022/11/21 13:30 | Josip Huzjak v Eduardo Gonzales | W | 3-1 |
| Challenger Series TT | 2022/11/21 10:10 | Rafael Turrini v Josip Huzjak | L | 3-1 |
| Challenger Series TT | 2022/11/21 08:10 | Josip Huzjak v Felix Kohler | W | 3-0 |
| Challenger Series TT | 2022/11/21 08:10 | Josip Huzjak v Julian Koler | W | 3-0 |
| Challenger Series TT | 2022/11/01 14:30 | Dennis Klein v Josip Huzjak | L | 3-1 |
| Challenger Series TT | 2022/11/01 13:05 | Josip Huzjak v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2022/11/01 11:30 | Mathias Hübgen v Josip Huzjak | W | 0-3 |
| Challenger Series TT | 2022/11/21 17:30 | Rafael Turrini v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/11/21 14:50 | Sven Happek v Felix Kohler | W | 3-2 |
| Challenger Series TT | 2022/11/21 11:30 | Sven Happek v Felix Kleeberg | W | 3-1 |
| Challenger Series TT | 2022/11/21 09:30 | Sven Happek v Florian Bluhm | L | 1-3 |
| Challenger Series TT | 2022/11/18 10:10 | Sven Happek v Miguel Chamorro | W | 3-1 |
| Challenger Series TT | 2022/11/17 20:50 | Sven Happek v Miguel Nunez | L | 2-3 |
| Challenger Series TT | 2022/11/17 18:10 | Sven Happek v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2022/11/17 15:30 | Dauud Cheaib v Sven Happek | L | 3-0 |