Anna Siskova vs Teodora KostovicW100 Amstetten Semi-final

W100 Amstetten · ITF · Semi-final
#266WTA
1555ELO
1492Clay ELO
25 yrs
Last 10 · pre-match
WWWLWWLLLW
0 — 2
Sets
Saturday, 25 July 2026 ·
clay
#171WTA
1532ELO
1510Clay ELO
19 yrs · Right-handed
Last 10 · pre-match
WWWWLWLWWW
Siskova A.
3-6 6-7
Kostovic T.
Siskova A.
3650
Kostovic T.
6772

Teodora Kostovic defeated Anna Siskova 6-3, 7-6 in the semifinals of the W100 Amstetten clay court tournament. Kostovic hit one ace to Siskova's zero and converted 80 percent of her break points to Siskova's 60 percent. Kostovic won four service breaks to Siskova's three.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2025-05-23W75 Kursumlijska Banja 1QFclayTeodora Kostovic6-4 6-3

Statistics

This season
1st serve in·Even
66%
62%
1st serve points won·Even
65%
65%
2nd serve points won·Even
45%
46%
Service points won·Even
58%
58%
Return points won·Slight edge
49%
44%
Break points saved·Even
58%
56%
Aces / match·Even
2.5
2.4
Double faults / match·Even
2.9
2.7

Averages over each player's completed matches in the selected window (29 vs 27). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 08:50 UTC
Siskova A.31%
Kostovic T.69%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Kostovic T. clearly ahead, but no certainty

Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
3.8
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
4.9
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
4.8Clay Elo 1492
Surface ELO
5.2+18 Clay Elo edge
5.3Overall Elo 1555
ELO gap
4.7Overall Elo 1532
3.0Trails 0–1 on clay
H2H
7.0Leads 1–0 on clay
2.33 of last 10 on clay
Surface form
4.24 of last 10 on clay
0.0Lost last 2
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.

Freshness

Recent load
Freshness·
95

Kostovic T.: 10 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Weather
26°CClear
Wind 8 km/hHumidity 25%

Draw