Tatiana Prozorova vs Sofia CostoulasSingapore Round of 32

Singapore · WTA · Round of 32
#180WTA
1674ELO
1659Hard ELO
$155kYTD
$494kCAREER
22 yrs
Last 10 · pre-match
LWWLWLWWLW
2 — 1
Sets
Tuesday, 22 September 2026 ·
hard
#152WTA
1565ELO
1569Hard ELO
$165kYTD
$378kCAREER
21 yrs
Last 10 · pre-match
LLWLWLWWLL
Prozorova T.
5-7 7-6 6-2
Costoulas S.
Prozorova T.
57762
Costoulas S.
76221

Tatiana Prozorova defeated Sofia Costoulas in the Round of 32 of the Singapore tournament on hard courts. The match ended with a score of 5-7, 7-6, 6-2 in favor of Prozorova. Key stats included equal aces (5) and similar break point conversion percentages (40% to 43%) and service breaks (4 to 3) for Prozorova and Costoulas respectively, with Prozorova committing fewer double faults (3 to 5).

Generated automatically from Umpiry match data.

Momentum · Final
Prozorova T.10/18
Costoulas S.8/16

hold to 0/15to 30to 40 / deucebroken

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2024-12-06W100 Dubai 1QFhardSofia Costoulas4-6 7-5 6-2

Statistics

This season
1st serve in·Even
64%
61%
1st serve points won·Even
68%
68%
2nd serve points won·Slight edge
49%
44%
Service points won·Even
62%
58%
Return points won·Even
45%
45%
Break points saved·Slight edge
59%
53%
Aces / match·Even
3.1
3.3
Double faults / match·Slight edge
2.3
3.0

Averages over each player's completed matches in the selected window (40 vs 44). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
74
83
Break points saved·Even
81
83
Break points won·Clear edge
97
82
Deciding sets·Dominant
68
96
Tiebreaks·

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

Win Probability

Pre-match · updated 04:50 UTC
Prozorova T.58%
Costoulas S.42%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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
6.7
Slight advantageUmpiry Score
5.2
Clear underdogUmpiry Score
Form & Matchup
6.1+90 Hard Elo edge
Surface ELO
3.9Hard Elo 1569
6.4Overall Elo 1674
ELO gap
3.6Overall Elo 1565
5.2Split 1–1 on hard
H2H
4.8Split 1–1 on hard
7.38 of last 10 on hard
Surface form
4.55 of last 10 on hard
0.0
Win streak
0.0
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.

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather
27°CShowers
Wind 2 km/hHumidity 90%

Draw