Tereza Valentova vs Sofia CostoulasAthens Round of 32

Athens · WTA · Round of 32
#64WTA
1818ELO
1797Hard ELO
$684kYTD
$1.2MCAREER
19 yrs
Last 10 · pre-match
LWLLWWWLWL
2 — 0
Sets
Tuesday, 14 July 2026 ·
hard
#158WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LWWLLWLWWL
Valentova T.
6-1 6-2
Costoulas S.
Valentova T.
662
Costoulas S.
120

Tereza Valentova defeated Sofia Costoulas in the Round of 32 of the Athens hard-court tournament. The match ended with a score of 6-1, 6-2 in favor of Valentova. Key stats included Valentova's 4 aces and 77% first-serve win percentage, compared to Costoulas' 0 aces and 43% first-serve win percentage.

Key context

Head to head

10
DateTournamentRoundSurfaceWinnerScore
2024-05-24W35 Annenheim 1SFclayTereza Valentova7-5 6-1

Statistics

This season
1st serve in·Even
62%
61%
1st serve points won·Slight edge
63%
69%
2nd serve points won·Even
42%
44%
Service points won·Even
55%
59%
Return points won·Even
46%
45%
Break points saved·Even
55%
53%
Aces / match·Slight edge
2.7
3.4
Double faults / match·Clear edge
4.0
3.0

Averages over each player's completed matches in the selected window (32 vs 43). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 18:50 UTC
Valentova T.81%
Costoulas S.19%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Valentova T. heavily favoured

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
7.0
Strong advantageUmpiry Score
5.7
Slight disadvantageUmpiry Score
Form & Matchup
7.8+227 Hard Elo edge
Surface ELO
2.2Hard Elo 1569
8.2Overall Elo 1818
ELO gap
1.8Overall Elo 1565
5.0No prior meetings
H2H
5.0No prior meetings
4.85 of last 10 on hard
Surface form
7.67 of last 10 on hard
0.0Lost last 2
Win streak
0.0Lost last 2
Fatigue & Travel
7.0Grass → Hard
Surface transition
7.0Grass → Hard
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·Dominant
72
99

Valentova T.: 1 day rest · 2 matches, 49 games (7d) · Costoulas S.: 14 days rest · 1 match (14d). Higher means fresher. About

Conditions

Weather
26°CClear
Wind 5 km/hHumidity 47%

Draw