Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/04/08 11:10 | Carlos Caballero v Armin Alicic | W | 3-2 |
| Challenger Series TT | 2024/04/08 08:50 | Carlos Caballero v Siddharta Almeida | W | 3-0 |
| Challenger Series TT | 2024/04/08 06:30 | Carlos Caballero v Miguel Nunez | W | 3-0 |
| Challenger Series TT | 2023/10/17 08:30 | Akito Itagaki v Carlos Caballero | W | 0-3 |
| Challenger Series TT | 2023/10/17 07:10 | Carlos Caballero v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/10/16 19:10 | Dauud Cheaib v Carlos Caballero | L | 3-1 |
| Challenger Series TT | 2023/10/16 16:30 | Dennis Klein v Carlos Caballero | L | 3-1 |
| Challenger Series TT | 2023/10/16 13:50 | Carlos Caballero v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2024/04/08 12:55 | Sven Happek v Joon Shim | W | 3-2 |
| Challenger Series TT | 2024/04/08 10:00 | Sven Happek v Eusebio Vos | L | 2-3 |
| 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 | 2024/03/19 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 |