M. Martinez defeated Guilherme Valdoleiros 6-0 6-1 in the M25 Vale do Lobo 1 q32 on hard. The upset overturned the form book — Guilherme Valdoleiros came in leading the head-to-head 1–0. M. Martinez claimed a first win over Guilherme Valdoleiros in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-12-02 | M15 Madrid 4 | Q16 | clay | Guilherme Valdoleiros | 2-6 6-1 10-7 |
Averages over each player's completed matches in the selected window (60 vs 46). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About