Zelnickova vs Olsen — W15 Bielsko Biala Round of 16

W15 Bielsko Biala · ITF · Round of 16

SVK1

Radka Zelnickova

#348WTA

1267ELO

1174Clay ELO

23 yrs · Right-handed

Last 10

WLLWWWWWLW

—

Sets

Thursday, 30 July 2026 · 10:00

clay

NOR

Astrid Wanja Brune Olsen

#1005WTA

27 yrs · Right-handed

Last 10

WLLWWLWLWL

Zelnickova R.

Wanja Brune Olsen A.

Radka Zelnickova faces Astrid Wanja Brune Olsen in the W15 Bielsko Biala round of 16 on clay. Radka Zelnickova holds the paper edge — ranked #348.

Win Probability

Pre-match · updated 07:50 UTC

Zelnickova R.87%

Wanja Brune Olsen A.13%

Toss-up
50–58%

Slight edge
58–67%

Clear favourite
67–80%

Strong favourite
80%+

Strong favourite · Zelnickova R. heavily favoured

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

Key context

Last match: Radka Zelnickova dropped the opening set before beating Ellie Daniels 6–7 7–5 6–1.
Last match: Astrid Wanja Brune Olsen dropped the opening set before beating A. Dvorackova 6–7 7–5 6–2.
Fatigue load: Radka Zelnickova carries the heavier recent load — 3 three-setters to 1 in the past fortnight.

Common opponents

Last 12 months

No common opponents in the last 12 months.

Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match

Zelnickova R.

4.7

Heavy underdogUmpiry ScorePartial · surface data limited

Back-to-back day (−0.5)

Wanja Brune Olsen A.

5.1

Clear underdogUmpiry ScorePartial · surface data limited

Form & Matchup

5.0No prior meetings

H2H

5.0No prior meetings

5.66 of last 10 on clay

Surface form

3.13 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.

33 vs 7 matches

Statistics

This season

Zelnickova R.Wanja Brune Olsen A.

1st serve in·Even

64%

63%

1st serve points won·Slight edge

64%

53%

2nd serve points won·Slight edge

46%

40%

Service points won·Slight edge

58%

48%

Return points won·Even

44%

43%

Break points saved·Slight edge

53%

47%

Aces / match·Even

1.4

0.9

Double faults / match·Clear edge

2.5

1.6

Averages over each player's completed matches in the selected window (33 vs 7). ATP, WTA & Challenger.

Serve vs return

This season

Zelnickova R.serving57% hold

wins 53% of points on serve vs Wanja Brune Olsen A.

Wanja Brune Olsen A.serving35% hold

wins 44% of points on serve vs Zelnickova R.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Conditions

Weather forecast

28°CClear

Wind 14 km/hHumidity 43%

Head to head

No previous meetings on record.

Radka Zelnickova vs Astrid Wanja Brune Olsen — W15 Bielsko Biala Round of 16