Adolfo Daniel Vallejo vs Nicolas Mejia — Wimbledon Round of 128

Wimbledon · ATP · Round of 128
Adolfo Daniel Vallejo
PAR
Adolfo Daniel Vallejo
#70ATP
1740ELO
1590Grass ELO
$407kYTD
$665kCAREER
22 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWLLLWWWL
1 — 3
Sets
Monday, 29 June 2026 ·
grass
Nicolas Mejia
COLQ
Nicolas Mejia
#122ATP
1477ELO
1442Grass ELO
$142kYTD
$524kCAREER
26 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWLWWWLWW
Vallejo A.
6-4 4-6 5-7 6-7
Mejia N.
Vallejo A.
64561
Mejia N.
46773

Nicolas Mejia defeated Adolfo Daniel Vallejo in the Round of 128 at Wimbledon. The match ended with a score of 4-6, 6-4, 7-5, 7-6 in favor of Mejia. Mejia served 13 aces and committed 3 double faults, while Vallejo served 3 aces and committed 10 double faults.

Key context

Head to head

No previous meetings on record.

Statistics

This season
Vallejo A.Mejia N.
1st serve in·Even
62%
60%
1st serve points won·Even
69%
70%
2nd serve points won·Even
52%
55%
Service points won·Even
63%
64%
Return points won·Slight edge
45%
38%
Break points saved·Slight edge
57%
62%
Aces / match·Clear edge
3.5
5.0
Double faults / match·Even
2.3
2.2

Averages over each player's completed matches in the selected window (33 vs 30). ATP, WTA & Challenger.

Clutch

Under pressure
Vallejo A.Mejia N.
Clutch Rating·Dominant
53
26
Break points saved·Even
71
74
Break points won·Dominant
65
6
Deciding sets·Dominant
85
40
Tiebreaks·Dominant
0
38

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

Win Probability

Pre-match · updated 14:50 UTC
Vallejo A.88%
Mejia N.12%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Vallejo A. heavily favoured

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
Vallejo A.
7.3
Strong advantageUmpiry ScorePartial · surface data limited
Mejia N.
5.7
Slight disadvantageUmpiry Score
Form & Matchup
7.3+182 Grass Elo edge
Surface ELO
2.7Grass Elo 1445
8.4Overall Elo 1755
ELO gap
1.6Overall Elo 1482
5.0No prior meetings
H2H
5.0No prior meetings
Surface form
6.54 of last 7 on grass
0.0Lost last 2
Win streak
7.03-match win streak
Fatigue & Travel
3-set count
4.02 three-setters in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play 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
Vallejo A.Mejia N.
Freshness·Clear edge
85
72

Vallejo A.: 3 days rest · 2 matches, 36 games (7d) · Mejia N.: 4 days rest · 3 matches, 76 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
23°CMainly clear
Wind 10 km/hHumidity 40%

Draw