Oscar Jose Gutierrez defeated Carlos Lopez Montagud 4-6 7-6 10-8 in the M15 Castellon 1 semi-final on clay. The upset overturned the form book — Carlos Lopez Montagud came in ranked #521, leading the head-to-head 3–0, but Oscar Jose Gutierrez had been the form player, winning 7 of their last 10 on clay. Oscar Jose Gutierrez claimed a first win over Carlos Lopez Montagud in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-12-04 | M15 Madrid 4 | R16 | clay | Carlos Lopez Montagud | 7-5 6-4 |
| 2022-03-27 | M15 Palmanova 2 | F | clay | Carlos Lopez Montagud | 7-5 3-6 7-6(0) |
| 2022-03-20 | M15 Palmanova 1 | F | clay | Carlos Lopez Montagud | 6-1 7-5 |
Averages over each player's completed matches in the selected window (5 vs 15). ATP, WTA & Challenger.
Gutierrez O.: 14 days rest · 1 match (14d). 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