| Challenger Series TT | 2023/12/11 12:50 | Dennis Klein v Mike Hollo | L | 3-0 |
| Challenger Series TT | 2024/04/25 14:55 | Mike Hollo v Albert Vilardell | L | 2-3 |
| Challenger Series TT | 2024/04/25 13:10 | Benjamin Fruchart v Mike Hollo | L | 3-0 |
| Challenger Series TT | 2024/04/25 10:00 | Dauud Cheaib v Mike Hollo | W | 2-3 |
| Challenger Series TT | 2024/04/25 07:40 | Damian Zech v Mike Hollo | W | 1-3 |
| Challenger Series TT | 2024/04/09 14:00 | Carlos Caballero v Mike Hollo | L | 3-2 |
| Challenger Series TT | 2024/04/09 12:40 | Miguel Nunez v Mike Hollo | L | 3-0 |
| Challenger Series TT | 2024/04/09 07:40 | Siddharta Almeida v Mike Hollo | W | 2-3 |
| Challenger Series TT | 2024/04/08 18:10 | Armin Alicic v Mike Hollo | W | 0-3 |
| Challenger Series TT | 2024/04/25 15:30 | Benjamin Fruchart v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2024/04/25 13:45 | Dauud Cheaib v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2024/04/25 09:25 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/04/25 07:05 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/02/27 14:30 | Liang Qiu v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/02/27 13:05 | Dennis Klein v Mohammed Javad Sohrabi | W | 3-0 |
| Challenger Series TT | 2024/02/27 08:50 | Alexander Valuch v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/02/26 20:50 | Samuel Amann v Dennis Klein | W | 0-3 |