Johannus Monday vs Alfredo PerezSioux Falls CH Round of 16

Sioux Falls CH · CHALLENGER · Round of 16
#313ATP
1443ELO
1418Hard ELO
24 yrs · 198 cm · Left-handed
Last 10 · pre-match
LWWLLLLLWW
2 — 0
Sets
Monday, 20 October 2025
hard
#610ATP
1372ELO
1333Hard ELO
29 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLWLWLWLWL
Monday J.
7-5 6-3
Perez A.
Monday J.
762
Perez A.
530

Johannus Monday defeated Alfredo Perez 7-5 6-3 in the Sioux Falls CH round of 16 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Monday J.serving88% hold

wins 68% of points on serve vs Perez A.

Perez A.serving90% hold

wins 70% of points on serve vs Monday J.

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
1st serve in·Even
66%
62%
1st serve points won·Even
74%
71%
2nd serve points won·Even
55%
51%
Service points won·Even
68%
64%
Return points won·Slight edge
33%
39%
Break points saved·Even
65%
65%
Aces / match·Clear edge
6.1
4.2
Double faults / match·Slight edge
2.7
2.4

Averages over each player's completed matches in the selected window (65 vs 42). ATP, WTA & Challenger.

Umpiry Score

Pre-match
6.5
Marginal edgeUmpiry Score
5.8
Slight disadvantageUmpiry Score
Form & Matchup
6.7+84 Hard Elo edge
Surface ELO
3.3Hard Elo 1333
6.6Overall Elo 1443
ELO gap
3.4Overall Elo 1372
5.0No prior meetings
H2H
5.0
4.2
Surface form
4.7
7.03-match win streak
Win streak
Fatigue & Travel
6.7
Minutes 14d
7.8
9.0
Prev. match
8.0
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·
76

Monday J.: 2 days rest · 3 matches, 57 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast