Adolfo Daniel Vallejo vs Gael MonfilsUS Open Round of 128

US Open · ATP · Round of 128
#61ATP
1740ELO
1520Hard ELO
22 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLWWLLLWW
1 — 3
Sets
Wednesday, 2 September 2026 ·
hard
Louis Armstrong Stadium · 4th on
#307ATP
1803ELO
1784Hard ELO
40 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLWLLLWLWL
Vallejo A.
6-2 1-6 2-6 0-6
Monfils G.
Vallejo A.
61201
Monfils G.
26663

Gael Monfils defeated Adolfo Daniel Vallejo in the Round of 128 at the US Open. The match ended with a score of 2-6, 6-1, 6-2, 6-0 in favor of Monfils. He hit 5 aces and 2 double faults, converting 37% of break points and securing 7 service breaks, compared to Vallejo's 3 aces, 5 double faults, 33% break point conversion, and 2 service breaks.

Generated automatically from Umpiry match data.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
62%
60%
1st serve points won·Even
69%
73%
2nd serve points won·Slight edge
52%
44%
Service points won·Even
63%
61%
Return points won·Slight edge
45%
36%
Break points saved·Slight edge
57%
65%
Aces / match·Dominant
3.5
8.5
Double faults / match·Dominant
2.3
4.6

Averages over each player's completed matches in the selected window (33 vs 10). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
53
86
Break points saved·Dominant
71
96
Break points won·Clear edge
65
79
Deciding sets·Even
85
89
Tiebreaks·Dominant
0
97

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

Win Probability

Pre-match · updated 22:50 UTC
Vallejo A.40%
Monfils G.60%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Monfils G. narrowly ahead

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
5.3
Clear underdogUmpiry Score
6.1
Even matchUmpiry Score
Form & Matchup
1.7Hard Elo 1520
Surface ELO
8.3+264 Hard Elo edge
4.2Overall Elo 1740
ELO gap
5.8Overall Elo 1803
5.0No prior meetings
H2H
5.0No prior meetings
5.05 of last 10 on hard
Surface form
3.23 of last 10 on hard
0.0
Win streak
0.0Lost last 2
Context
5.0Didn't play here last year
Defending pts
6.0Reached the R128 here last year

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·Even
75
79

Vallejo A.: played today · 1 match, 29 games (7d) · Monfils G.: played today · 1 match, 29 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
22°COvercast
Wind 12 km/hHumidity 95%

Draw