Tamara Zidansek vs Kimberly BirrellKorea Open - Seoul Round of 32

Korea Open - Seoul · WTA · Round of 32
#140WTA
1655ELO
1581Hard ELO
$170kYTD
$3.7MCAREER
28 yrs · 168 cm · Right-handed
Last 10 · pre-match
LLWWWLLWWW
0 — 2
Sets
Tuesday, 22 September 2026 ·
hard
Grandstand · 3rd on
#60WTA
1754ELO
1752Hard ELO
$1.0MYTD
$3.1MCAREER
28 yrs · 170 cm · Right-handed
Last 10 · pre-match
LWLLLLLWLW
Zidansek T.
6-7 4-6
Birrell K.
Zidansek T.
6240
Birrell K.
7762

Kimberly Birrell defeated Tamara Zidansek in the Round of 32 at the Korea Open in Seoul, winning 7-6, 6-4 on hard courts. Both players hit an equal number of aces and double faults, zero and six respectively. Birrell and Zidansek converted 50% and 27% of break points, and each secured three service breaks.

Generated automatically from Umpiry match data.

Momentum · Final
Zidansek T.5/11
Birrell K.6/11

hold to 0/15to 30to 40 / deucebroken

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
62%
65%
1st serve points won·Even
61%
64%
2nd serve points won·Even
46%
43%
Service points won·Even
55%
56%
Return points won·Even
45%
44%
Break points saved·Even
54%
54%
Aces / match·Even
1.3
1.8
Double faults / match·Dominant
3.7
5.2

Averages over each player's completed matches in the selected window (40 vs 40). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
49
35
Break points saved·Slight edge
3
11
Break points won·Slight edge
81
75
Deciding sets·Slight edge
85
77
Tiebreaks·Dominant
77
14

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

Win Probability

Pre-match · updated 05:50 UTC
Zidansek T.34%
Birrell K.66%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Birrell K. narrowly ahead

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
5.6
Slight disadvantageUmpiry Score
6.0
Even matchUmpiry Score
Form & Matchup
2.9Hard Elo 1581
Surface ELO
7.1+170 Hard Elo edge
3.8Overall Elo 1655
ELO gap
6.2Overall Elo 1754
5.0No prior meetings
H2H
5.0No prior meetings
6.16 of last 10 on hard
Surface form
2.93 of last 10 on hard
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
6.0Clay → Hard
Surface transition
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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
Freshness·Even
100
100

Zidansek T.: 15 days rest · Birrell K.: 19 days rest. Higher means fresher. About

Conditions

Weather
28°CClear
Wind 3 km/hHumidity 48%

Draw