Passola vs Grammatikopoulou — W35 Verbier Round of 16

W35 Verbier · ITF · Round of 16

ESP

Berta Passola

#823WTA

21 yrs

Last 10

WLWWWWWWWW

—

Sets

Thursday, 20 August 2026 · 09:00

clay

GRE8

Valentini Grammatikopoulou

#554WTA

1288ELO

1302Clay ELO

29 yrs · 164 cm

Last 10

WWLWWLLWWL

Passola B.

Grammatikopoulou V.

Berta Passola faces Valentini Grammatikopoulou in the W35 Verbier round of 16 on clay. Valentini Grammatikopoulou is the paper favourite — ranked #554 — but Berta Passola arrives in form, winning 5 of their last 6 on clay to Valentini Grammatikopoulou's 4.

Win Probability

Pre-match · updated 19:50 UTC

Passola B.44%

Grammatikopoulou V.56%

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.

Key context

Last match: Berta Passola dropped just 5 games past Maddalena Giordano.
Last match: Valentini Grammatikopoulou dropped just 4 games past Alexandra Biot.
Win streak: Berta Passola arrives on a 5-match winning run.

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

Passola B.

5.0

Heavy underdogUmpiry ScorePartial · surface data limited

Back-to-back day (−0.5)

Grammatikopoulou V.

5.7

Slight disadvantageUmpiry ScorePartial · surface data limited

Form & Matchup

5.0No prior meetings

H2H

5.0No prior meetings

4.74 of last 8 on clay

Surface form

5.86 of last 10 on clay

9.05-match win streak

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.

11 vs 11 matches

Statistics

This season

Passola B.Grammatikopoulou V.

1st serve in·Even

66%

64%

1st serve points won·Slight edge

68%

63%

2nd serve points won·Even

44%

47%

Service points won·Even

60%

57%

Return points won·Slight edge

55%

49%

Break points saved·Slight edge

63%

54%

Aces / match·Even

1.0

0.6

Double faults / match·Clear edge

4.4

3.5

Averages over each player's completed matches in the selected window (11 vs 11). ATP, WTA & Challenger.

Serve vs return

This season

Passola B.serving49% hold

wins 50% of points on serve vs Grammatikopoulou V.

Grammatikopoulou V.serving32% hold

wins 42% of points on serve vs Passola B.

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

18°COvercast

Wind 4 km/hHumidity 61%

Head to head

No previous meetings on record.

Berta Passola vs Valentini Grammatikopoulou — W35 Verbier Round of 16