Dayeon Back vs Yuki Naito — W15 Nonthaburi Semi-final

W15 Nonthaburi · CHALLENGER · Semi-final
KOR
Dayeon Back
#291WTA
24 yrs
Last 10
LWWWLWWWWL
0 — 0
Sets
Monday, 17 March 2025
hard
JPN
Yuki Naito
#286WTA
1278ELO
1280Hard ELO
25 yrs · Right-handed
Last 10
LWLWLWLLWL

Umpiry Score

Pre-match
Back D.
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
Naito Y.
6.1
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.4
Surface form
4.4
0.0
Win streak
0.0
Fatigue & Travel
7.0
3-set count
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.

Back D.
662
Naito Y.
41–

Head to head

No previous meetings on record.

Statistics

Recent form
Back D.Naito Y.
69%1st serve in+7%62%
59%1st serve points won+3%62%
45%2nd serve points won+2%43%
55%Service points won55%
50%Return points won+6%44%
50%Break points saved+3%53%
0.7Aces / match+1.82.5
2.5Double faults / match+0.93.4

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

Draw

Final
Chanta A.
Back D.
7-636-3
Sidorova K.
Kovapitukted P.
6-36-2
Semi-finals
Back D.
Naito Y.
6-46-1
Chanta A.
Szostak M.
6-46-1
Kovapitukted P.
Chanta A.
4-66-16-0
Sidorova K.
Cheapchandej P.
6-42-66-4
Quarter-finals
Back D.
Matsuda R.
7-56-2
Naito Y.
Kummel A.
6-36-0
Chanta A.
Frayman D.
7-627-5
Szostak M.
De Zeeuw J.
6-46-2
Sidorova K.
Morvayova V.
7-55-4
Cheapchandej P.
Yodpetch K.
6-46-4
Chanta A.
Jang G.
6-36-0
Kovapitukted P.
Kawamura M.
6-12-1
R16
Back D.
Yodpetch K.
6-07-5
Chanta A.
Goto R.
6-46-2
Szostak M.
Lee E.
7-626-1
Matsuda R.
Lee E.
6-06-1
Frayman D.
Kovapitukted P.
6-26-2
De Zeeuw J.
Cheapchandej P.
6-22-66-4
Naito Y.
Ebeling Koning L.
7-57-63
Kummel A.
Naklo T.
5-2
Cheapchandej P.
Thongkum P.
7-56-3
Morvayova V.
Desvignes E.
6-01-66-1
Kawamura M.
Nitture A.
6-16-4
Jang G.
Lee E.
6-36-2
Yodpetch K.
Matsuda R.
2-66-26-2
Kovapitukted P.
Goto R.
7-56-1
Chanta A.
Buchnik M.
6-26-726-1
Sidorova K.
Thamchaiwat B.
6-16-2
R32
Lee E.
Podgorichani L.
6-36-1
Ebeling Koning L.
Panshina V.
7-56-2
De Zeeuw J.
Deeperm V.
1-66-27-5
Szostak M.
Ahn Y.
6-06-1
Cheapchandej P.
Thamchaiwat B.
2-66-46-3
Frayman D.
Pace F.
6-27-5
Naklo T.
Rivkin N.
3-66-26-2
Lee E.
Jang G.
3-66-36-2
Matsuda R.
Chikaraishi Y.
6-36-1
Goto R.
Kuwata H.
6-26-3
Kovapitukted P.
Thongkum P.
7-56-1
Naito Y.
Kitahara Y.
6-36-4
Kummel A.
Buchnik M.
3-66-46-2
Back D.
Mariani M.
2-66-46-0
Chanta A.
Choi O.
6-16-2
Yodpetch K.
Ruamrak P.
6-16-1
Sidorova K.
Aikawa M.
7-56-4
Kovapitukted P.
Kuwata H.
6-26-2
Morvayova V.
Longueville R.
6-36-4
Chanta A.
Szostak M.
6-16-2
Thamchaiwat B.
Panshina V.
2-66-26-2
Nitture A.
Ebeling Koning L.
6-47-5
Lee E.
Sema E.
7-56-0
Desvignes E.
Kumhom L.
6-46-3
Kawamura M.
De Zeeuw J.
6-27-5
Matsuda R.
Choi O.
6-36-1
Jang G.
Sagandykova A.
6-33-66-4
Yodpetch K.
Mariani M.
6-17-5
Buchnik M.
Liu Y.
6-43-66-3
Thongkum P.
Im H.
1-66-26-1
Goto R.
Podgorichani L.
7-634-66-3
Cheapchandej P.
Kummel A.
6-16-4