Adolfo Daniel Vallejo vs Thiago MonteiroItajai CH Quarter-final

Itajai CH · CHALLENGER · Quarter-final
#71ATP
1740ELO
1708Clay ELO
$396kYTD
$653kCAREER
22 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLLWLWWW
2 — 1
Sets
Monday, 19 January 2026
clay
#290ATP
1568ELO
1554Clay ELO
32 yrs · 183 cm · Left-handed
Last 10 · pre-match
LWLWWLWWLW
Vallejo A.
6-2 4-6 6-3
Monteiro T.
Vallejo A.
6462
Monteiro T.
2631

Adolfo Daniel Vallejo defeated Thiago Monteiro 6-2 4-6 6-3 in the Itajai CH quarter-final on clay. The result followed the form book — Adolfo Daniel Vallejo came in ranked #71. Adolfo Daniel Vallejo extended the head-to-head to 2–1.

Key context

Head to head

11
DateTournamentRoundSurfaceWinnerScore
2026-02-23SantiagoQ1clayAdolfo Daniel Vallejo6-7(3) 6-4 6-2
2026-02-16Rio de JaneiroQ1clayThiago Monteiro6-4 6-1

Serve vs return

This season
Vallejo A.serving72% hold

wins 59% of points on serve vs Monteiro T.

Monteiro T.serving64% hold

wins 56% of points on serve vs Vallejo A.

Serve advantage — Vallejo A.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
1st serve in·Even
62%
65%
1st serve points won·Even
68%
70%
2nd serve points won·Even
53%
52%
Service points won·Even
62%
63%
Return points won·Slight edge
44%
39%
Break points saved·Even
59%
61%
Aces / match·Slight edge
3.1
4.1
Double faults / match·Slight edge
2.2
1.8

Averages over each player's completed matches in the selected window (40 vs 27). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Even
53
56
Break points saved·Clear edge
71
95
Break points won·Dominant
65
16
Deciding sets·Clear edge
85
66
Tiebreaks·Dominant
0
89

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
5.9
Even matchUmpiry Score
  • Extended break: 63 days (−1.2)
3.3
Heavy underdogUmpiry Score
  • Extended break: 91 days (−1.5)
Form & Matchup
6.9+155 Clay Elo edge
Surface ELO
3.1Clay Elo 1554
7.2Overall Elo 1740
ELO gap
2.8Overall Elo 1568
5.0
H2H
5.0
8.4
Surface form
3.7
9.06-match win streak
Win streak
0.0Lost last 2
Context
5.0
Defending pts
5.0

The 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 load
Freshness·Dominant
86
59

Vallejo A.: 4 days rest · 2 matches, 32 games (7d) · Monteiro T.: 1 day rest · 2 matches, 67 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast