| 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 |
| Challenger - Series TT | 2024/03/11 12:10 | Sven Happek v Miguel Nunez | L | 1-3 |
| Challenger - Series TT | 2024/03/11 09:30 | Marco Stefanidis v Sven Happek | L | 3-0 |
| Challenger - Series TT | 2024/03/05 08:10 | Alexander Valuch v Sven Happek | L | 3-0 |
| Challenger - Series TT | 2024/03/04 18:50 | Zhenlong Liu v Sven Happek | W | 2-3 |
| Challenger - Series TT | 2024/03/04 16:10 | Sven Happek v Nico Longhino | L | 2-3 |
| Challenger - Series TT | 2024/03/04 13:30 | Sven Happek v Pekka Pelz | L | 1-3 |
| Challenger - Series TT | 2024/03/04 12:10 | Sven Happek v Eusebio Vos | W | 3-2 |
| Challenger - Series TT | 2024/03/04 09:30 | Marius Henninger v Sven Happek | L | 3-0 |
| Challenger - Series TT | 2024/03/11 11:30 | Marco Stefanidis v Mike Hollo | W | 0-3 |
| Challenger - Series TT | 2024/03/11 08:50 | Irvin Bertrand v Mike Hollo | L | 3-1 |
| Challenger - Series TT | 2024/02/16 13:50 | Mike Hollo v Albert Vilardell | L | 1-3 |
| Challenger - Series TT | 2024/02/16 12:25 | Can Akkuzu v Mike Hollo | L | 3-1 |
| Challenger - Series TT | 2024/02/16 08:50 | Can Akkuzu v Mike Hollo | L | 3-0 |
| Challenger - Series TT | 2024/02/15 20:50 | Dauud Cheaib v Mike Hollo | W | 0-3 |
| Challenger - Series TT | 2024/02/15 18:50 | Albert Vilardell v Mike Hollo | L | 3-1 |
| Challenger - Series TT | 2024/02/15 16:50 | Mike Hollo v Mathias Golab | W | 3-1 |