Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| Challenger Sofia MD | 2025/08/16 08:00 | Karol/Niklas-Salminen v Latinovic/Sharipov | 3-6,6-2,11-13 |
| Challenger Sofia MD | 2025/08/15 12:30 | Karol/Niklas-Salminen v Fomin/Verbin | 5-7,6-3,10-7 |
| Challenger Sofia MD | 2025/08/14 13:20 | Karol/Niklas-Salminen v Fatic/Nedic | 6-3,6-4 |
| Challenger Sofia MD | 2025/08/13 11:30 | Karol/Niklas-Salminen v Ajdukovic/Kalender | 6-3,6-4 |