Ruslan Serazhetdinov defeated S. Corbinais 7-6 6-4 in the M25 Luanda 1 q16 on hard. The upset overturned the form book — S. Corbinais came in leading the head-to-head 1–0. Ruslan Serazhetdinov claimed a first win over S. Corbinais in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-24 | M15 Monastir 12 | Q32 | hard | S. Corbinais | 6-3 6-2 |