Yeon Woo Ku vs Dayeon Back — W35 Taipei Semi-final

W35 Taipei · CHALLENGER · Semi-final
KOR
Yeon Woo Ku
#207WTA
1362ELO
1341Hard ELO
23 yrs
Last 10
LLLLWWLLLL
0 — 0
Sets
Monday, 16 June 2025
hard
KOR
Dayeon Back
#291WTA
24 yrs
Last 10
LWWWLWWWWL

Umpiry Score

Pre-match
Ku Y.
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
Back D.
7.1
Strong advantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0
H2H
5.0
6.0
Surface form
9.3
Win streak
9.06-match win streak
Context
6.0
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.
7762
Back D.
641–

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2025-07-21W35 MonastirSFhardDayeon Back0-6 6-3 6-3

Statistics

Recent form
Ku Y.Back D.
64%1st serve in+5%69%
60%1st serve points won+1%59%
48%2nd serve points won+3%45%
56%Service points won+1%55%
48%Return points won+2%50%
51%Break points saved+1%50%
1Aces / match+0.30.7
2.9Double faults / match+0.42.5

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

Draw

Final
Ku Y.
Saigo R.
6-16-4
Tjen J.
Kobori M.
4-66-16-2
Semi-finals
Saigo R.
Matsuda M.
7-636-2
Ku Y.
Back D.
7-646-1
Tjen J.
Park S.
6-46-4
Kobori M.
Shimizu E.
6-756-16-1
Quarter-finals
Back D.
Lin F.
6-736-16-2
Matsuda M.
Shimizu E.
6-46-4
Saigo R.
Yang V.
6-46-1
Ku Y.
Shimizu A.
6-06-2
Park S.
Saigo R.
6-36-0
Tjen J.
Kawaguchi N.
6-16-0
Shimizu E.
Hosogi S.
6-26-1
Kobori M.
Shimizu A.
6-33-66-4
R16
Saigo R.
Kitahara Y.
6-26-0
Lin F.
Lee E.
7-654-66-3
Shimizu A.
Kuramochi M.
5-77-631-0
Shimizu E.
Muramatsu C.
6-30-66-3
Matsuda M.
Hosogi S.
6-26-0
Yang V.
Park S.
3-67-56-2
Ku Y.
Chaudhari V.
6-36-1
Back D.
Morvayova V.
4-66-07-5
Kobori M.
Chaudhari V.
7-55-76-3
Hosogi S.
Kim D.
6-46-3
Shimizu A.
Muramatsu C.
1-66-26-0
Tjen J.
Ku Y.
3-66-17-60
Park S.
Yang Y.
6-06-1
Saigo R.
Lee C.
1-66-36-4
Kawaguchi N.
Akita S.
6-36-4
Shimizu E.
Kummel A.
6-27-5
R32
Lin F.
Barry M.
6-46-3
Kuramochi M.
Defalco J.
4-66-16-0
Shimizu A.
Tsai Y.
6-36-1
Shimizu E.
Kawaguchi N.
6-26-2
Morvayova V.
Varaksina A.
7-56-3
Hosogi S.
Lin Y.
6-25-77-66
Kitahara Y.
Nepliy E.
6-736-46-2
Chaudhari V.
Namigata J.
7-56-0
Lee E.
Korhonen C.
6-36-3
Yang V.
Aikawa M.
7-57-62
Saigo R.
Shek C.
6-26-1
Park S.
Yang Y.
6-37-64
Muramatsu C.
Rioux L.
3-66-46-4
Matsuda M.
Leong S.
6-26-4
Ku Y.
Jessup M.
6-06-0
Back D.
Arakawa H.
6-26-2
Shimizu E.
Back D.
6-16-2
Kobori M.
Kitahara Y.
6-16-3
Park S.
Imamura S.
6-46-4
Kim D.
Li Y.
6-43-66-2
Yang Y.
Lin Y.
6-26-1
Akita S.
Kuramochi M.
7-655-76-1
Ku Y.
Matsuda M.
6-36-3
Saigo R.
Nepliy E.
7-667-5
Kummel A.
Yamazaki I.
6-36-4
Chaudhari V.
Rioux L.
6-36-4
Muramatsu C.
Lin F.
6-36-4
Kawaguchi N.
Lee E.
6-26-2
Hosogi S.
Tsai Y.
6-06-4
Lee C.
Defalco J.
3-67-616-3
Shimizu A.
Aikawa M.
6-46-0
Tjen J.
Lansere S.
7-6156-0