Alfredo Perez vs Billy Harris — Nonthaburi 1 CH Qualifying Round 1

Nonthaburi 1 CH · CHALLENGER · Qualifying Round 1
USA
Alfredo Perez
#636ATP
1372ELO
1333Hard ELO
29 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLWLLWLWLW
2 — 0
Sets
Monday, 2 January 2023
hard
Billy Harris
GBR2
Billy Harris
#154ATP
1508ELO
1473Hard ELO
$236kYTD
$1.5MCAREER
31 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWWWLWWLWL
Perez A.
6-4 7-6
Harris B.
Perez A.
6782
Harris B.
4660

Alfredo Perez defeated Billy Harris 6-4 7-6 in the Nonthaburi 1 CH qualifying round 1 on hard. The upset overturned the form book — Billy Harris came in ranked #154, defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Perez A.serving85% hold

wins 66% of points on serve vs Harris B.

Harris B.serving83% hold

wins 65% of points on serve vs Perez A.

Serve-dominated — both hold easily, expect tiebreaks

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
Perez A.Harris B.
1st serve in·Even
63%
62%
1st serve points won·Even
69%
72%
2nd serve points won·Even
51%
50%
Service points won·Even
63%
64%
Return points won·Even
38%
36%
Break points saved·Even
61%
63%
Aces / match·Clear edge
4.1
5.9
Double faults / match·Even
2.2
2.4

Averages over each player's completed matches in the selected window (81 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Perez A.Harris B.
Clutch Rating·Clear edge
23
46
Break points saved·Clear edge
72
91
Break points won·Slight edge
1
10
Deciding sets·Dominant
47
82
Tiebreaks·Even
21
23

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

Umpiry Score

Pre-match
Perez A.
5.0
Heavy underdogUmpiry Score
  • Extended break: 49 days (−0.7)
Harris B.
4.8
Heavy underdogUmpiry Score
  • Extended break: 77 days (−1.2)
Form & Matchup
3.3Hard Elo 1333
Surface ELO
6.7+139 Hard Elo edge
3.5Overall Elo 1372
ELO gap
6.5Overall Elo 1508
5.0No prior meetings
H2H
5.0
6.8
Surface form
4.9
Win streak
0.0
Context
5.0
Defending pts
6.0

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
Perez A.Harris B.
Freshness·
—
96

Harris B.: 14 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Q2
Ayeni O.
Nam J.
6-36-4
Fonio G.[11]
Parker S.[6]
6-16-4
Donskoy E.[9]
Vrbensky M.[4]
7-56-4
Squire H.[3]
Santillan A.[10]
6-46-4
Pouille L.[8]
Perez A.
7-636-2
Ayeni O.
Nam J.
6-36-4
Kelly D.
Gaio F.[12]
7-656-3
Q1
Nam J.
Ovcharenko O.[7]
6-36-1
Pouille L.[8]
Berrettini J.
7-57-5
Vrbensky M.[4]
Clark E.
4-66-46-4
Kelly D.
Fomin S.[5]
6-14-66-2
Fonio G.[11]
Kumar O.
7-56-2
Donskoy E.[9]
Kunsuwan N.
6-36-3
Ayeni O.
Oradini G.[1]
6-36-3
Santillan A.[10]
Rosenkranz M.
6-26-2
Squire H.[3]
Trongcharoenchaikul W.
6-46-3
Perez A.
Harris B.[2]
6-47-66
Nam J.
Ovcharenko O.
6-36-1
Parker S.[6]
Samrej K.
6-26-3
Gaio F.[12]
Chaiyarin C.
6-25-76-3