| Challenger Series TT | 2023/05/22 19:50 | Sven Happek v Aljaz Godec | L | 0-3 |
| Challenger Series TT | 2023/03/07 07:30 | Aljaz Godec v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/01/13 08:50 | Sven Happek v Aljaz Godec | L | 2-3 |
| Challenger Series TT | 2023/06/19 14:30 | Sven Happek v Marco Stefanidis | W | 3-1 |
| Challenger Series TT | 2023/06/19 12:30 | Sven Happek v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/06/19 09:10 | Dennis Klein v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/19 07:10 | Sven Happek v Jose Guillot | L | 1-3 |
| Challenger Series TT | 2023/06/15 09:10 | Norbert Tauler v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/06/15 07:10 | Sven Happek v Liang Qiu | L | 2-3 |
| Challenger Series TT | 2023/05/23 09:10 | Sven Happek v Albert Vilardell | L | 1-3 |
| Challenger Series TT | 2023/05/22 19:50 | Sven Happek v Aljaz Godec | L | 0-3 |
| Challenger Series TT | 2023/06/19 16:30 | Dennis Klein v Aljaz Godec | L | 3-0 |
| Challenger Series TT | 2023/06/19 13:50 | Aljaz Godec v Jose Guillot | L | 1-3 |
| Challenger Series TT | 2023/06/19 10:30 | Aljaz Godec v Carlo Rossi | L | 1-3 |
| Challenger Series TT | 2023/06/19 08:30 | Aljaz Godec v Akito Itagaki | L | 1-3 |
| Challenger Series TT | 2023/05/23 07:50 | Michael Engelhardt v Aljaz Godec | W | 2-3 |
| Challenger Series TT | 2023/05/22 19:50 | Sven Happek v Aljaz Godec | W | 0-3 |
| Challenger Series TT | 2023/05/22 17:50 | Jeromy Loffler v Aljaz Godec | W | 0-3 |
| Challenger Series TT | 2023/05/22 15:50 | Aljaz Godec v Damian Zech | L | 0-3 |