Thiago Monteiro vs Adolfo Daniel Vallejo — Santiago CH Quarter-final
Monteiro T.
Thiago Monteiro defeated Adolfo Daniel Vallejo 3-6 6-3 6-4 in the Santiago CH quarter-final on clay. The upset overturned the form book — Adolfo Daniel Vallejo came in ranked #72, defending last year's round of 32. Thiago Monteiro extended the head-to-head to 2–1.
Key context
- Match story: Thiago Monteiro dropped the opening set before beating Adolfo Daniel Vallejo 3–6 6–3 6–4.
Head to head
1–1| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-02-23 | Santiago | Q1 | clay | Adolfo Daniel Vallejo | 6-7(3) 6-4 6-2 |
| 2026-02-16 | Rio de Janeiro | Q1 | clay | Thiago Monteiro | 6-4 6-1 |
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Statistics
This seasonAverages over each player's completed matches in the selected window (27 vs 40). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadMonteiro T.: 1 day rest · 1 match, 39 games (7d) · Vallejo A.: 3 days rest · 2 matches, 32 games (7d). Higher means fresher. About