| Challenger Series TT | 2024/04/08 08:15 | Sven Happek v Mike Hollo | L | 2-3 |
| Challenger Series TT | 2024/03/21 09:15 | Mike Hollo v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/03/11 14:10 | Sven Happek v Mike Hollo | L | 0-3 |
| Challenger Series TT | 2023/12/08 10:10 | Mike Hollo v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/10/09 14:30 | Mike Hollo v Sven Happek | L | 3-1 |