Deborah Chiesa vs Jana KovackovaW50 Oldenzaal Round of 32

W50 Oldenzaal · CHALLENGER · Round of 32
#328WTA
1449ELO
1460Clay ELO
30 yrs · 170 cm · Right-handed
Last 10 · pre-match
LLLLLWWWWW
0 — 2
Sets
Tuesday, 25 August 2026 ·
clay
#434WTA
1465ELO
1395Clay ELO
16 yrs · Right-handed
Last 10 · pre-match
LWWWWWLLWW
Chiesa D.
5-7 5-7
Kovackova J.
Chiesa D.
550
Kovackova J.
772

Jana Kovackova defeated Deborah Chiesa in the quarterfinals of the W50 Oldenzaal tournament on clay. Kovackova won 7-5, 7-5 despite losing more first-serve points. Kovackova and Chiesa each hit one ace and Kovackova converted 50% of her break points.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
62%
60%
1st serve points won·Even
61%
64%
2nd serve points won·Slight edge
51%
45%
Service points won·Even
57%
57%
Return points won·Even
48%
48%
Break points saved·Clear edge
60%
46%
Aces / match·Even
2.1
1.7
Double faults / match·Clear edge
1.8
2.7

Averages over each player's completed matches in the selected window (34 vs 16). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 19:50 UTC
Chiesa D.56%
Kovackova J.44%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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

Umpiry Score

Pre-match
5.7
Slight disadvantageUmpiry Score
5.7
Slight disadvantageUmpiry Score
Form & Matchup
5.8+65 Clay Elo edge
Surface ELO
4.2Clay Elo 1395
4.8Overall Elo 1449
ELO gap
5.2Overall Elo 1465
5.0No prior meetings
H2H
5.0No prior meetings
4.96 of last 10 on clay
Surface form
5.86 of last 10 on clay
0.0Lost last 3
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·Clear edge
90
75

Chiesa D.: 4 days rest · 1 match, 24 games (7d) · Kovackova J.: 2 days rest · 2 matches, 50 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather
18°CClear
Wind 10 km/hHumidity 48%

Draw