Svyatoslav Gulin defeated Gianni Ross 6-3 6-4 in the M25 Valldoreix 1 q16 on clay. The upset overturned the form book — Gianni Ross came in leading the head-to-head 1–0. Svyatoslav Gulin claimed a first win over Gianni Ross in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-05-04 | M25 Sabadell 1 | R16 | clay | Gianni Ross | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.