Yeon Woo Ku vs Shuai Zhang — W100 Takasaki Semi-final

W100 Takasaki · CHALLENGER · Semi-final
KOR
Yeon Woo Ku
1519ELO
1500Hard ELO
23 yrs
Last 10 · pre-match
LLWWWWWWWW
2 — 1
Sets
Monday, 17 November 2025
hard
Shuai Zhang
CHN
Shuai Zhang
#64WTA
1718ELO
1695Hard ELO
37 yrs · 177 cm · Right-handed
Last 10 · pre-match
LWLLWWLWWL
Ku Y.
6-3 4-6 7-6
Zhang S.
Ku Y.
64772
Zhang S.
36641

Yeon Woo Ku defeated Shuai Zhang 6-3 4-6 7-6 in the W100 Takasaki semi-final on hard.

Key context

  • Match story: Yeon Woo Ku closed it out in three sets, 6–3 4–6 7–6.

Head to head

No previous meetings on record.

Serve vs return

This season
Ku Y.serving54% hold

wins 52% of points on serve vs Zhang S.

Zhang S.serving49% hold

wins 50% of points on serve vs Ku Y.

Baseline battle — serve is shaky, expect plenty of breaks

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

Ku Y.Zhang S.
—
Serve
17
—
Return
58

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

Statistics

This season
Ku Y.Zhang S.
1st serve in·Even
66%
67%
1st serve points won·Even
61%
65%
2nd serve points won·Even
47%
48%
Service points won·Even
56%
59%
Return points won·Slight edge
49%
44%
Break points saved·Even
56%
56%
Aces / match·Clear edge
1.1
2.9
Double faults / match·Clear edge
3.3
2.3

Averages over each player's completed matches in the selected window (89 vs 79). ATP, WTA & Challenger.

Clutch

Under pressure
Ku Y.Zhang S.
Clutch Rating·Clear edge
50
62
Break points saved·Even
51
55
Break points won·Even
86
83
Deciding sets·Clear edge
63
78
Tiebreaks·
—
82

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

Umpiry Score

Pre-match
Ku Y.
5.4
Clear underdogUmpiry Score
Zhang S.
7.8
Dominant favouriteUmpiry Score
Form & Matchup
0.6Hard Elo 1500
Surface ELO
9.4+195 Hard Elo edge
0.7Overall Elo 1519
ELO gap
9.3Overall Elo 1718
5.0No prior meetings
H2H
5.0
6.8
Surface form
6.7
7.04-match win streak
Win streak
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
Ku Y.Zhang S.
Freshness·Slight edge
100
95

Ku Y.: 18 days rest · Zhang S.: 10 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast

Draw

Final
Sakatsume H.
Ku Y.
6-31-66-4
Semi-finals
Sakatsume H.
Tararudee L.
6-46-4
Ku Y.
Zhang S.
6-34-67-64
Quarter-finals
Zhang S.
Astakhova D.
6-34-66-3
Ku Y.
Hibino N.
3-67-57-5
Tararudee L.
Saigo R.
6-33-66-3
Sakatsume H.
Diyas Z.
6-26-2
R16
Sakatsume H.
Liang E.
6-06-4
Zhang S.
Chang H.
6-36-2
Ku Y.
Akita S.
3-66-16-3
Saigo R.
Yoshimoto N.
6-26-4
Hibino N.
Shimizu E.
6-36-2
Tararudee L.
Sato H.
6-46-0
Diyas Z.
Park S.
6-47-66
Astakhova D.
Sidorova K.
6-16-0
R32
Liang E.
Kitahara Y.
6-16-3
Diyas Z.
Nugroho P.
6-20-66-4
Astakhova D.
Okamura K.
6-16-2
Akita S.
Shimizu A.
6-27-67
Park S.
Saito S.
6-16-4
Shimizu E.
Kawaguchi N.
3-66-46-4
Chang H.
Aikawa M.
7-606-3
Sato H.
Koike E.
3-66-26-4
Yoshimoto N.
Hontama M.
6-17-64
Sidorova K.
Hosogi S.
6-46-2
Saigo R.
Mushika M.
6-36-2
Sakatsume H.
Kinoshita H.
6-47-5
Hibino N.
Morvayova V.
7-56-3
Zhang S.
Kaji H.
6-46-3
Ku Y.
Kolodynska J.
6-36-2
Tararudee L.
Cengiz B.
5-77-56-4