Dayeon Back vs Polina Iatcenko — W35 Nonthaburi Semi-final

W35 Nonthaburi · CHALLENGER · Semi-final
KOR
Dayeon Back
#260WTA
24 yrs
Last 10 · pre-match
WWWWWWWWWW
0 — 0
Sets
Monday, 10 March 2025
hard
Polina Iatcenko
RUS
Polina Iatcenko
#150WTA
1605ELO
1567Hard ELO
22 yrs
Last 10 · pre-match
LWWLLLWWLW
Back D.
7-5 6-2
Iatcenko P.
Back D.
762
Iatcenko P.
52–

Dayeon Back defeated Polina Iatcenko 7-5 6-2 in the W35 Nonthaburi semi-final on hard. The upset overturned the form book — Polina Iatcenko came in ranked #150, but Dayeon Back had been the form player, winning 5 of their last 5 on hard.

Key context

  • Match story: Dayeon Back closed it out in two sets, 7–5 6–2.

Head to head

No previous meetings on record.

Serve vs return

This season
Back D.serving44% hold

wins 48% of points on serve vs Iatcenko P.

Iatcenko P.serving42% hold

wins 47% of points on serve vs Back D.

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
Back D.Iatcenko P.
1st serve in·Slight edge
66%
61%
1st serve points won·Even
62%
65%
2nd serve points won·Even
44%
46%
Service points won·Even
56%
57%
Return points won·Even
50%
48%
Break points saved·Slight edge
52%
57%
Aces / match·Clear edge
0.8
2.4
Double faults / match·Slight edge
2.5
2.9

Averages over each player's completed matches in the selected window (95 vs 76). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Back D.
6.1
Even matchUmpiry ScorePartial · surface data limited
Iatcenko P.
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
5.1
Surface form
6.3
0.0
Win streak
Fatigue & Travel
7.0
3-set count
7.0
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
Back D.Iatcenko P.
Freshness·
—
100

Iatcenko P.: 18 days rest. Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast

Draw

Final
Lee E.
Back D.
6-36-4
Semi-finals
Lee E.
Schmidt A.
0-66-36-2
Back D.
Iatcenko P.
7-56-2
Quarter-finals
Iatcenko P.
Aikawa M.
6-16-736-1
Schmidt A.
Naklo T.
6-26-4
Back D.
Reyngold E.
6-746-26-2
Lee E.
Chanta A.
3-67-636-4
R16
Reyngold E.
Thamchaiwat B.
6-16-3
Iatcenko P.
Hesse A.
6-36-4
Chanta A.
Bhamidipaty S.
6-16-3
Aikawa M.
De Zeeuw J.
5-77-646-4
Back D.
Pace F.
6-46-3
Schmidt A.
Shimizu E.
7-55-76-3
Naklo T.
Frayman D.
3-66-46-1
Lee E.
Szostak M.
6-36-746-3
R32
Szostak M.
Plipuech P.
6-46-4
Frayman D.
Vlasselaer C.
6-06-4
Hesse A.
Cheapchandej P.
6-37-5
Thamchaiwat B.
Kitahara Y.
6-36-2
Naklo T.
Sato N.
6-26-2
Chanta A.
Naito Y.
6-26-3
De Zeeuw J.
Choi O.
6-36-4
Aikawa M.
Yodpetch K.
6-35-76-2
Pace F.
Ewald W.
7-666-2
Reyngold E.
Chaudhari V.
6-26-3
Lee E.
Mcphee K.
6-36-2
Iatcenko P.
Kummel A.
6-16-1
Shimizu E.
Kovapitukted P.
6-46-4
Schmidt A.
Sagandykova A.
6-46-2
Back D.
Buchnik M.
6-06-1
Bhamidipaty S.
Okuwaki R.
6-06-3