Nastasja Schunk vs Jana KovackovaW50 Prague Quarter-final

W50 Prague · ITF · Quarter-final
#365WTA
1399ELO
1387Clay ELO
23 yrs · 171 cm
Last 10 · pre-match
WWWWWWLWLW
1 — 2
Sets
Thursday, 20 August 2026 ·
clay
#434WTA
1465ELO
1395Clay ELO
16 yrs · Right-handed
Last 10 · pre-match
LWWWWWLLWW
Schunk N.
6-4 5-7 3-6
Kovackova J.
Schunk N.
6531
Kovackova J.
4762

Jana Kovackova defeated Nastasja Schunk 4-6, 7-5, 6-3 in the quarterfinals of the W50 Prague tournament on clay. Kovackova hit 6 aces and converted 56% of her break points, while Schunk had no aces and converted 40% of her break points. Kovackova won 5 service breaks to Schunk's 4.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Slight edge
69%
60%
1st serve points won·Even
60%
64%
2nd serve points won·Even
49%
45%
Service points won·Even
56%
57%
Return points won·Even
46%
48%
Break points saved·Slight edge
54%
46%
Aces / match·Even
1.4
1.7
Double faults / match·Even
2.7
2.7

Averages over each player's completed matches in the selected window (22 vs 16). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 08:50 UTC
Schunk N.59%
Kovackova J.41%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Schunk N. narrowly ahead

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

Umpiry Score

Pre-match
4.7
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
4.7
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
4.9Clay Elo 1387
Surface ELO
5.1+8 Clay Elo edge
4.2Overall Elo 1399
ELO gap
5.8Overall Elo 1465
5.0No prior meetings
H2H
5.0No prior meetings
6.47 of last 10 on clay
Surface form
5.86 of last 10 on clay
0.0Lost last 2
Win streak
0.0Lost last 2
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
75
75

Schunk N.: 1 day rest · 3 matches, 47 games (7d) · Kovackova J.: 2 days rest · 2 matches, 50 games (7d). Higher means fresher. About

Conditions

Weather
25°COvercast
Wind 10 km/hHumidity 57%

Draw