Svyatoslav Gulin defeated Alejo Sanchez Quilez 7-5 6-2 in the M25 Santander 1 round of 32 on clay. The upset overturned the form book — Alejo Sanchez Quilez came in ranked #450, leading the head-to-head 2–1, but Svyatoslav Gulin had been the form player, winning 3 of their last 5 on clay. Svyatoslav Gulin narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-30 | M15 La Nucia 1 | QF | clay | Alejo Sanchez Quilez | 7-5 6-2 |
| 2025-04-29 | M25 Sabadell 1 | R32 | clay | Alejo Sanchez Quilez | 5-7 6-3 0-4 |
| 2023-08-22 | M25 Santander 1 | R32 | clay | Svyatoslav Gulin | 1-6 6-2 6-4 |
Averages over each player's completed matches in the selected window (38 vs 42). ATP, WTA & Challenger.
Sanchez Quilez A.: 3 days rest · 2 matches, 41 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About