M. L. Alvarez Sarmiento defeated Oscar Jose Gutierrez 6-4 7-5 in the M25 Santander 1 q16 on clay. The upset overturned the form book — Oscar Jose Gutierrez came in ranked #695, leading the head-to-head 2–0, but M. L. Alvarez Sarmiento had been the form player, winning 6 of their last 10 on clay. M. L. Alvarez Sarmiento claimed a first win over Oscar Jose Gutierrez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-07-02 | M15 Getxo | R16 | clay | Oscar Jose Gutierrez | 1-6 3-6 |
| 2024-05-05 | M25 Valldoreix 1 | Q64 | clay | Oscar Jose Gutierrez | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window (34 vs 125). ATP, WTA & Challenger.
Gutierrez O.: 13 days rest · 1 match (14d). Higher means fresher. About
wins 49% of points on serve vs Gutierrez O.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About