Maria Martinez Vaquero vs Sarah Van Emst — W50 Knokke-Heist Round of 32

W50 Knokke-Heist · ITF · Round of 32
ESP
Maria Martinez Vaquero
#420WTA
1266ELO
1215Clay ELO
24 yrs
Last 10
LLWWLWLWWL
—
Sets
Tuesday, 28 July 2026 ·
clay
NED
Sarah Van Emst
#530WTA
21 yrs · Right-handed
Last 10
LLWWWWWWLW
Martinez Vaquero M.
vs
Van Emst S.

Maria Martinez Vaquero faces Sarah Van Emst in the W50 Knokke-Heist round of 32 on clay. Maria Martinez Vaquero is the paper favourite — ranked #420 — but Sarah Van Emst rides a 6-match win streak.

Win Probability

Pre-match · updated 17:50 UTC
Martinez Vaquero M.39%
Van Emst S.61%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Van Emst S. narrowly ahead

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

Key context

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
Martinez Vaquero M.
5.5
Slight disadvantageUmpiry ScorePartial · surface data limited
Van Emst S.
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
3.93 of last 8 on clay
Surface form
7.87 of last 10 on clay
0.0
Win streak
9.06-match win streak
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.

14 vs 17 matches

Statistics

This season
Martinez Vaquero M.Van Emst S.
1st serve in·Slight edge
66%
59%
1st serve points won·Even
57%
61%
2nd serve points won·Even
41%
45%
Service points won·Even
52%
55%
Return points won·Even
47%
45%
Break points saved·Even
50%
48%
Aces / match·Slight edge
0.9
1.8
Double faults / match·Slight edge
3.7
4.2

Averages over each player's completed matches in the selected window (14 vs 17). ATP, WTA & Challenger.

Serve vs return

This season
Martinez Vaquero M.serving39% hold

wins 45% of points on serve vs Van Emst S.

Van Emst S.serving41% hold

wins 46% of points on serve vs Martinez Vaquero M.

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

Head to head

No previous meetings on record.

Draw