Johannus Monday vs Michael Zheng — Sioux Falls CH Round of 32

Sioux Falls CH · CHALLENGER · Round of 32
GBR
Johannus Monday
#313ATP
1443ELO
1418Hard ELO
24 yrs · 198 cm · Left-handed
Last 10 · pre-match
LWWLLLLLWW
2 — 1
Sets
Monday, 20 October 2025
hard
USA7
Michael Zheng
#144ATP
1695ELO
1672Hard ELO
$310kYTD
$502kCAREER
22 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWWWWWLLLW
Monday J.
2-6 6-4 6-4
Zheng M.
Monday J.
2662
Zheng M.
6441

Johannus Monday defeated Michael Zheng 2-6 6-4 6-4 in the Sioux Falls CH round of 32 on hard. The upset overturned the form book — Michael Zheng came in ranked #144, but Johannus Monday had arrived on a 3-match winning run.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Monday J.serving85% hold

wins 66% of points on serve vs Zheng M.

Zheng M.serving91% hold

wins 71% 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
Monday J.Zheng M.
1st serve in·Slight edge
66%
60%
1st serve points won·Even
74%
72%
2nd serve points won·Even
55%
54%
Service points won·Even
68%
65%
Return points won·Slight edge
33%
41%
Break points saved·Even
66%
65%
Aces / match·Clear edge
6.1
4.6
Double faults / match·Clear edge
2.7
1.5

Averages over each player's completed matches in the selected window (65 vs 46). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Monday J.
5.4
Clear underdogUmpiry Score
Zheng M.
8.2
Dominant favouriteUmpiry Score
Form & Matchup
2.3Hard Elo 1418
Surface ELO
7.7+254 Hard Elo edge
2.1Overall Elo 1443
ELO gap
7.9Overall Elo 1695
5.0No prior meetings
H2H
5.0
4.2
Surface form
10.0
7.03-match win streak
Win streak
10.017-match win streak
Fatigue & Travel
6.7
Minutes 14d
9.0
Prev. match
9.0
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
Monday J.Zheng M.
Freshness·Slight edge
72
81

Monday J.: 1 day rest · 3 matches, 57 games (7d) · Zheng M.: 8 days rest · 3 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Final
Kypson P.[5]
Monday J.
6-727-647-5
Semi-finals
Monday J.
Rosenkranz M.
6-47-64
Kypson P.[5]
Ghibaudo A.
6-36-1
Quarter-finals
Rosenkranz M.
Thompson J.[1]
7-51-0
Kypson P.[5]
Hijikata R.[3]
6-46-4
Ghibaudo A.
Damm M.
7-646-4
Monday J.
Martin A.
6-36-3
R16
Martin A.
Draxl L.[4]
6-17-5
Monday J.
Perez A.
7-56-3
Thompson J.[1]
Arutiunian E.
7-57-62
Rosenkranz M.
Cassone M.[6]
6-07-5
Kypson P.[5]
Jodar R.
6-46-4
Damm M.
Ilagan A.
7-627-5
Hijikata R.[3]
Banerjee S.
7-636-2
Ghibaudo A.
Fenty A.
7-56-4
R32
Ilagan A.
Holt B.[2]
4-3
Thompson J.[1]
Mmoh M.
6-36-4
Rosenkranz M.
Boulais J.
6-16-4
Cassone M.[6]
Krueger M.
7-653-66-2
Draxl L.[4]
Blanch D.
6-46-4
Perez A.
Kingsley C.
6-46-4
Monday J.
Zheng M.[7]
2-66-46-4
Kypson P.[5]
Tarvet O.
6-24-66-3
Jodar R.
Purtseladze S.
6-47-5
Banerjee S.
Mchugh A.
6-36-4
Arutiunian E.
Zahraj P.
6-16-2
Fenty A.
Smith K.
4-67-647-63
Ghibaudo A.
Clarke J.[8]
2-66-27-5
Damm M.
Martin D.
6-26-4
Hijikata R.[3]
Pinnington Jones J.
6-36-0
Martin A.
Shah A.
7-651-66-3