Yeon Woo Ku vs Ye Xin Ma — W50 Yokohama Quarter-final

W50 Yokohama · CHALLENGER · Quarter-final
KOR
Yeon Woo Ku
1519ELO
1500Hard ELO
23 yrs
Last 10 · pre-match
LLWWWWWWWW
0 — 0
Sets
Monday, 24 November 2025
hard
CHN
Ye Xin Ma
#193WTA
1450ELO
1441Hard ELO
27 yrs
Last 10 · pre-match
LLWLLLLLLW
Ku Y.
7-5 6-3
Ma Y.
Ku Y.
762
Ma Y.
53–

Yeon Woo Ku defeated Ye Xin Ma 7-5 6-3 in the W50 Yokohama quarter-final on hard.

Key context

  • Match story: Yeon Woo Ku closed it out in two sets, 7–5 6–3.

Head to head

No previous meetings on record.

Serve vs return

This season
Ku Y.serving52% hold

wins 51% of points on serve vs Ma Y.

Ma Y.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.Ma Y.
1st serve in·Slight edge
67%
58%
1st serve points won·Even
61%
64%
2nd serve points won·Even
47%
48%
Service points won·Even
56%
57%
Return points won·Even
49%
45%
Break points saved·Even
56%
56%
Aces / match·Slight edge
1.1
2.4
Double faults / match·Even
3.2
3.2

Averages over each player's completed matches in the selected window (89 vs 85). ATP, WTA & Challenger.

Clutch

Under pressure
Ku Y.Ma Y.
Clutch Rating·Slight edge
50
57
Break points saved·Even
51
54
Break points won·Slight edge
86
80
Deciding sets·Clear edge
63
76
Tiebreaks·
—
—

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

Umpiry Score

Pre-match
Ku Y.
6.7
Slight advantageUmpiry Score
Ma Y.
6.2
Even matchUmpiry Score
  • Extended break: 28 days (−0.3)
Form & Matchup
3.0+59 Hard Elo edge
Surface ELO
7.0Hard Elo 1441
3.2Overall Elo 1519
ELO gap
6.8Overall Elo 1450
10.0No prior meetings
H2H
0.0
8.3
Surface form
6.7
7.04-match win streak
Win streak
0.0
Fatigue & Travel
0.0
3-set count
Prev. match
9.0
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.Ma Y.
Freshness·Even
100
100

Ku Y.: 18 days rest · Ma Y.: 18 days rest. Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast

Draw

Final
Zhang S.
Ku Y.
6-36-2
Semi-finals
Zhang S.
Kolodynska J.
6-46-3
Ku Y.
Morvayova V.
6-26-1
Quarter-finals
Kolodynska J.
Chang H.
7-652-67-66
Morvayova V.
Astakhova D.
3-66-46-3
Zhang S.
Park S.
6-26-2
Ku Y.
Ma Y.
7-56-3
R16
Ma Y.
Sidorova K.
7-657-61
Kolodynska J.
Cengiz B.
6-36-3
Astakhova D.
Zhang Y.
4-66-26-3
Morvayova V.
Matsuda R.
6-26-3
Ku Y.
Sato N.
6-36-1
Zhang S.
Yang Y.
6-36-1
Park S.
You X.
6-33-66-2
Chang H.
Saigo R.
6-43-66-4
R32
Yang Y.
Bains N.
6-46-1
Ku Y.
Shimizu E.
6-16-1
Matsuda R.
Sawangkaew M.
2-67-57-63
Kolodynska J.
Naito Y.
6-36-3
You X.
Akita S.
6-23-67-66
Zhang S.
Kinoshita H.
6-26-1
Zhang Y.
Kitahara Y.
7-56-3
Saigo R.
Wong H.
6-16-0
Astakhova D.
Kaji H.
6-16-1
Sato N.
Nagata A.
6-16-4
Morvayova V.
Koike E.
6-13-66-4
Cengiz B.
Inoue H.
6-27-63
Chang H.
Ren Y.
6-17-5
Ma Y.
Hosogi S.
6-37-5
Park S.
Wang Y.
6-06-2
Sidorova K.
Aikawa M.
7-646-3