| Challenger Series TT | 2025/07/01 10:30 | Nikola Horvat v Francesco Maragioglio | W | 3-1 |
| Challenger Series TT | 2025/07/01 09:15 | Dennis Klein v Nikola Horvat | L | 3-0 |
| Challenger Series TT | 2025/07/01 07:30 | Samuel Amann v Nikola Horvat | W | 2-3 |
| Challenger Series TT | 2025/06/30 17:30 | Nikola Horvat v Adrien Coton | L | 1-3 |
| Challenger Series TT | 2025/06/30 16:00 | Karl Walter v Nikola Horvat | L | 3-0 |
| Challenger Series TT | 2025/06/30 14:00 | Carlos Roman Pozo v Nikola Horvat | W | 1-3 |
| Challenger Series TT | 2025/06/30 12:00 | Nikola Horvat v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2025/06/30 09:30 | Nikola Horvat v Aliafsar Yunusov | W | 3-0 |