Yeon Woo Ku vs Ayumi Koshiishi — W35 Nakhon Pathom Round of 16

W35 Nakhon Pathom · CHALLENGER · Round of 16
KOR
Yeon Woo Ku
#207WTA
1362ELO
1341Hard ELO
23 yrs
Last 10
LLLLWWLLLL
0 — 0
Sets
Monday, 1 September 2025
hard
JPN
Ayumi Koshiishi
#638WTA
1224ELO
1213Hard ELO
25 yrs
Last 10
LWWLLLLWLW

Umpiry Score

Pre-match
Ku Y.
6.5
Marginal edgeUmpiry ScorePartial · surface data limited
Koshiishi A.
5.6
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.9
Surface form
3.1
0.0
Win streak
0.0Lost last 5
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.

Ku Y.
662
Koshiishi A.
02–

Head to head

No previous meetings on record.

Statistics

Recent form
Ku Y.Koshiishi A.
64%1st serve in+1%63%
60%1st serve points won+1%59%
48%2nd serve points won+6%42%
56%Service points won+3%53%
48%Return points won+4%44%
51%Break points saved+2%49%
1Aces / match+1.62.6
2.9Double faults / match+0.32.6

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw

Final
Kovapitukted P.
Cheapchandej P.
3-67-646-1
Cheapchandej P.
Jang G.
6-16-2
Ku Y.
Chanta A.
6-42-0
Semi-finals
Kovapitukted P.
Tian F.
6-746-06-4
Cheapchandej P.
Kitahara Y.
6-46-2
Jang G.
Chanta A.
6-26-3
Cheapchandej P.
Shimizu E.
6-12-67-5
Chanta A.
Lee E.
1-66-16-4
Ku Y.
Saigo R.
6-26-4
Quarter-finals
Kovapitukted P.
Morvayova V.
6-26-4
Tian F.
Kuramochi M.
6-26-4
Cheapchandej P.
Pavlova K.
6-36-1
Kitahara Y.
Lu J.
2-66-46-1
Cheapchandej P.
Sato H.
6-14-66-4
Jang G.
Akita S.
6-06-3
Shimizu E.
Lee E.
7-56-2
Chanta A.
Tian F.
7-56-4
Saigo R.
Tian F.
6-06-1
Ku Y.
Kuramochi M.
6-16-0
Chanta A.
Wang Y.
6-26-3
Lee E.
Lu J.
6-36-1
R16
Morvayova V.
Chanta A.
6-26-2
Tian F.
Thamchaiwat B.
6-06-0
Kuramochi M.
Zhu A.
6-04-0
Kitahara Y.
Chaudhari V.
6-46-0
Pavlova K.
Barry M.
6-26-2
Lu J.
Mushika M.
6-22-0
Cheapchandej P.
Yang Y.
6-37-67
Kovapitukted P.
Sato H.
6-16-1
Cheapchandej P.
Naito Y.
6-46-2
Chanta A.
Lu J.
7-56-3
Akita S.
Yamazaki I.
7-666-3
Tian F.
Back D.
6-06-1
Lee E.
Kudashova D.
7-623-66-4
Sato H.
Liu Y.
6-46-2
Jang G.
Hosogi S.
6-46-4
Shimizu E.
Saigo R.
3-67-56-4
Kuramochi M.
Back D.
6-726-37-67
Wang Y.
Kawaguchi N.
7-666-2
Saigo R.
Barry M.
6-16-0
Lu J.
Huang Y.
6-26-4
Ku Y.
Koshiishi A.
6-06-2
Tian F.
Kinoshita H.
6-07-5
Chanta A.
Sidorova K.
6-26-3
Lee E.
Shimizu E.
6-36-2
R32
Morvayova V.
Naklo T.
6-46-1
Tian F.
Bhamidipaty S.
6-46-4
Chanta A.
Sema E.
6-46-2
Mushika M.
Yodpetch K.
4-66-37-64
Pavlova K.
Vimuktananda V.
6-06-1
Kuramochi M.
Desai Z.
6-06-2
Yang Y.
Kawaguchi N.
6-36-3
Lu J.
Rokusek S.
6-26-1
Zhu A.
Nagornaia S.
6-46-1
Kitahara Y.
Wan I.
6-34-66-3
Sato H.
Altori K.
6-22-66-4
Barry M.
Arakawa H.
7-656-2
Cheapchandej P.
Leong S.
6-46-2
Thamchaiwat B.
Shin J.
7-56-1
Chaudhari V.
Yongmod T.
6-27-5
Kovapitukted P.
Nishimura K.
5-76-46-2
Saigo R.
Matsuda M.
4-66-16-4
Sato H.
Shimizu A.
6-36-2
Lee E.
Koshiishi A.
7-606-3
Hosogi S.
Yongmod T.
6-31-0
Lu J.
Podgorichani L.
6-06-2
Back D.
Nepliy E.
6-26-2
Kudashova D.
Yuan C.
4-67-56-4
Tian F.
Reyngold E.
6-16-2
Yamazaki I.
Barry M.
6-16-3
Naito Y.
Rioux L.
6-26-3
Cheapchandej P.
Kobori M.
4-66-16-2
Liu Y.
Naklo T.
6-26-4
Chanta A.
Wang Y.
6-26-1
Jang G.
Thongkum P.
6-36-2
Akita S.
Plipuech P.
7-56-3
Shimizu E.
Kuramochi M.
7-666-1
Kawaguchi N.
Kobori M.
6-46-3
Kuramochi M.
Jang G.
6-16-2
Ku Y.
Matsuda M.
6-06-4
Saigo R.
Akita S.
6-46-0
Shimizu E.
Yongmod T.
6-01-0
Kinoshita H.
Kumhom L.
6-26-3
Wang Y.
Naito Y.
7-56-4
Sidorova K.
Shimizu A.
6-36-1
Koshiishi A.
Sato H.
6-46-2
Lee E.
Sema E.
6-47-5
Chanta A.
Kitahara Y.
7-56-3
Barry M.
Naklo T.
6-26-3
Huang Y.
Thongkum P.
6-26-1
Lu J.
Sato N.
6-26-0
Tian F.
Hosogi S.
6-24-66-4
Back D.
Cheapchandej P.
5-76-06-0