Yeon Woo Ku vs Nao Hibino — W100 Takasaki Quarter-final

W100 Takasaki · CHALLENGER · Quarter-final
KOR
Yeon Woo Ku
1519ELO
1500Hard ELO
23 yrs
Last 10 · pre-match
LLWWWWWWWW
2 — 1
Sets
Monday, 17 November 2025
hard
Nao Hibino
JPN
Nao Hibino
#246WTA
1560ELO
1523Hard ELO
31 yrs · 163 cm · Right-handed
Last 10 · pre-match
LWLLWWLWWL
Ku Y.
3-6 7-5 7-5
Hibino N.
Ku Y.
3772
Hibino N.
6551

Yeon Woo Ku defeated Nao Hibino 3-6 7-5 7-5 in the W100 Takasaki quarter-final on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Ku Y.serving57% hold

wins 53% of points on serve vs Hibino N.

Hibino N.serving44% hold

wins 48% 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

Statistics

This season
Ku Y.Hibino N.
1st serve in·Even
66%
67%
1st serve points won·Even
61%
62%
2nd serve points won·Even
47%
47%
Service points won·Even
57%
57%
Return points won·Slight edge
49%
44%
Break points saved·Even
56%
54%
Aces / match·Slight edge
1.1
2.1
Double faults / match·Clear edge
3.3
2.5

Averages over each player's completed matches in the selected window (89 vs 73). ATP, WTA & Challenger.

Clutch

Under pressure
Ku Y.Hibino N.
Clutch Rating·Even
50
52
Break points saved·Clear edge
51
39
Break points won·Slight edge
86
91
Deciding sets·Even
63
66
Tiebreaks·
—
81

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

Umpiry Score

Pre-match
Ku Y.
5.7
Slight disadvantageUmpiry Score
Hibino N.
7.1
Strong advantageUmpiry Score
Form & Matchup
2.9Hard Elo 1500
Surface ELO
7.1+23 Hard Elo edge
2.9Overall Elo 1519
ELO gap
7.1Overall Elo 1560
0.0No prior meetings
H2H
10.0
6.8
Surface form
5.2
7.04-match win streak
Win streak
0.0Lost last 3
Fatigue & Travel
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
Ku Y.Hibino N.
Freshness·Even
100
100

Ku Y.: 18 days rest · Hibino N.: 17 days rest. 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