Coleman Wong vs Yi Zhou — Seoul CH Semi-final

Seoul CH · CHALLENGER · Semi-final
HKG5
Coleman Wong
#111ATP
1602ELO
1593Hard ELO
$287kYTD
$1.2MCAREER
22 yrs · 191 cm · Right-handed
Last 10 · pre-match
WLLLLWLWLL
2 — 1
Sets
Monday, 27 October 2025
hard
CHN
Yi Zhou
#236ATP
1456ELO
1445Hard ELO
21 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWWLWWLWWW
Wong C.
7-6 4-6 6-2
Zhou Y.
Wong C.
77462
Zhou Y.
62621

Coleman Wong defeated Yi Zhou 7-6 4-6 6-2 in the Seoul CH semi-final on hard. The result followed the form book — Coleman Wong came in ranked #111, defending last year's round of 16.

Key context

  • Match story: Coleman Wong closed it out in three sets, 7–6 4–6 6–2.

Head to head

No previous meetings on record.

Serve vs return

This season
Wong C.serving85% hold

wins 66% of points on serve vs Zhou Y.

Zhou Y.serving86% hold

wins 67% of points on serve vs Wong C.

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

Serve & return on hard

Wong C.Zhou Y.
37
Serve
—
34
Return
—

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
Wong C.Zhou Y.
1st serve in·Even
62%
62%
1st serve points won·Even
73%
72%
2nd serve points won·Even
51%
51%
Service points won·Even
65%
64%
Return points won·Even
36%
38%
Break points saved·Even
61%
62%
Aces / match·Clear edge
8.7
6.3
Double faults / match·Slight edge
2.1
2.5

Averages over each player's completed matches in the selected window (99 vs 60). ATP, WTA & Challenger.

Clutch

Under pressure
Wong C.Zhou Y.
Clutch Rating·Dominant
43
13
Break points saved·Even
91
87
Break points won·Slight edge
5
13
Deciding sets·Dominant
43
1
Tiebreaks·Dominant
88
14

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

Umpiry Score

Pre-match
Wong C.
6.5
Marginal edgeUmpiry Score
Zhou Y.
4.1
Heavy underdogUmpiry Score
  • Recent retirement (−1.5)
Form & Matchup
7.4+148 Hard Elo edge
Surface ELO
2.6Hard Elo 1445
7.6Overall Elo 1602
ELO gap
2.4Overall Elo 1456
5.0No prior meetings
H2H
5.0
3.6
Surface form
5.8
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
8.5
Minutes 14d
5.0
7.0
3-set count
7.0
7.0
Prev. match
8.0
Context
6.0
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
Wong C.Zhou Y.
Freshness·Slight edge
89
80

Wong C.: 1 day rest · 1 match, 16 games (7d) · Zhou Y.: 4 days rest · 3 matches, 65 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Final
Shimabukuro S.
Wong C.[5]
6-46-3
Semi-finals
Wong C.[5]
Zhou Y.
7-624-66-2
Shimabukuro S.
Ymer E.
6-14-66-3
Quarter-finals
Ymer E.
Rodionov J.[4]
6-43-66-2
Zhou Y.
Ferreira Silva F.
7-666-3
Wong C.[5]
Yunchaokete B.[2]
6-36-4
Shimabukuro S.
Samrej K.
6-36-4
R16
Shimabukuro S.
Noguchi R.
6-46-3
Samrej K.
Crawford O.
6-43-66-4
Rodionov J.[4]
Shimizu Y.
2-67-56-4
Ymer E.
Isomura K.
6-26-3
Ferreira Silva F.
Nishioka Y.[3]
6-05-77-65
Wong C.[5]
Hsu Y.
6-47-63
Yunchaokete B.[2]
Huesler M.
6-14-66-1
Zhou Y.
Daniel T.[8]
6-786-36-0
R32
Isomura K.
Watanuki Y.[7]
5-2
Shimabukuro S.
Jasika O.
6-35-77-64
Crawford O.
Rocha H.[6]
6-16-4
Rodionov J.[4]
Sekulic P.
7-646-4
Shimizu Y.
Imamura M.
7-56-4
Ymer E.
Tokuda R.
5-76-16-0
Daniel T.[8]
Uchiyama Y.
7-55-76-2
Zhou Y.
Sin S.
7-606-0
Ferreira Silva F.
Johns G.
6-46-1
Wong C.[5]
Chung H.
6-36-2
Yunchaokete B.[2]
Park U.
7-56-4
Noguchi R.
Duckworth J.[1]
1-67-56-3
Samrej K.
Mochizuki Y.
6-46-3
Hsu Y.
Ajdukovic D.
6-36-4
Huesler M.
Shin W.
6-46-2
Nishioka Y.[3]
Barton H.
6-36-2