| Challenger Series TT | 2024/03/11 14:10 | Sven Happek v Mike Hollo | W | 0-3 |
| Challenger Series TT | 2023/12/08 10:10 | Mike Hollo v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/10/09 14:30 | Mike Hollo v Sven Happek | W | 3-1 |
| Challenger Series TT | 2024/03/12 15:10 | Mike Hollo v Miguel Nunez | L | 1-3 |
| Challenger Series TT | 2024/03/12 13:00 | Mike Hollo v Mohammed Javad Sohrabi | W | 3-2 |
| Challenger Series TT | 2024/03/12 12:05 | Akos Kishegyi v Mike Hollo | W | 0-3 |
| Challenger Series TT | 2024/03/12 07:30 | Diego Lillo v Mike Hollo | W | 1-3 |
| Challenger Series TT | 2024/03/11 19:30 | Mike Hollo v Mohammed Javad Sohrabi | L | 1-3 |
| Challenger Series TT | 2024/03/11 16:10 | Mike Hollo v Miguel Nunez | W | 3-0 |
| Challenger Series TT | 2024/03/11 14:10 | Sven Happek v Mike Hollo | W | 0-3 |
| Challenger Series TT | 2024/03/11 11:30 | Marco Stefanidis v Mike Hollo | W | 0-3 |
| Challenger Series TT | 2024/03/19 08:10 | Norbert Tauler v Sven Happek | L | 3-1 |
| Challenger Series TT | 2024/03/18 18:10 | Ronit Bhanja v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/03/18 16:10 | Armin Alicic v Sven Happek | L | 3-1 |
| Challenger Series TT | 2024/03/18 14:50 | Sven Happek v Amirreza Abbasi | L | 2-3 |
| Challenger Series TT | 2024/03/18 12:50 | Sven Happek v Joon Shim | L | 1-3 |
| Challenger Series TT | 2024/03/18 09:30 | Damian Zech v Sven Happek | W | 2-3 |
| Challenger Series TT | 2024/03/12 09:25 | Akos Kishegyi v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/03/11 20:50 | Irvin Bertrand v Sven Happek | L | 3-0 |