Lois Boisson vs Solana Sierras Hertogenbosch Round of 32

s Hertogenbosch · WTA · Round of 32
#154WTA
1728ELO
1499Grass ELO
$57kYTD
$1.2MCAREER
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLLWLLLLWW
1 — 2
Sets
Wednesday, 10 June 2026 ·
grass
COURT 3 · 1st on
#56WTA
1783ELO
1634Grass ELO
22 yrs · Right-handed
Last 10 · pre-match
LWLWWLLWWL
Boisson L.
4-6 7-5 3-6
Sierra S.
Boisson L.
4731
Sierra S.
6562

Solana Sierra broke serve in the third set to take control and defeat Lois Boisson 6-4 5-7 6-3 in the s Hertogenbosch round of 32.

Key context

  • Set 1, game 1: Lois Boisson saved three break points to hold serve.
  • Set 2, game 10: A 17-point game with six deuces went Solana Sierra's way.
  • Pressure points: Lois Boisson converted 3 of 15 break points; Solana Sierra converted 5 of 12 break points.

Pressure & serve by court

Boisson L.
Sierra S.
Break points won
3/15
5/12
Break points saved
7/12
12/15

Break points from this match. Serve-by-court shows the share of service points won from each side of the court; the court side alternates every point.

Head to head

No previous meetings on record.

Serve vs return

This season
Boisson L.serving74% hold

wins 60% of points on serve vs Sierra S.

Sierra S.serving82% hold

wins 64% of points on serve vs Boisson L.

Serve advantage — Sierra S.

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

Statistics

This season
1st serve in·Slight edge
70%
63%
1st serve points won·Even
58%
62%
2nd serve points won·Even
37%
41%
Service points won·Even
51%
54%
Return points won·Slight edge
33%
42%
Break points saved·Slight edge
64%
54%
Aces / match·Even
2.0
2.2
Double faults / match·Dominant
3.0
4.5

Averages over each player's completed matches in the selected window (2 vs 21). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 08:21 UTC
Boisson L.52%
Sierra S.48%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
4.9
Heavy underdogUmpiry ScorePartial · surface data limited
  • Surface jump clay↔grass (−0.8)
5.9
Even matchUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
4.1Grass Elo 1531
Surface ELO
5.9+69 Grass Elo edge
4.5Overall Elo 1758
ELO gap
5.5Overall Elo 1739
5.0First meeting on grass
H2H
5.0First meeting on grass
Surface form
6.75 of last 8 on grass
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
3.0Clay → Grass
Surface transition
3.0Clay → Grass
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·Slight edge
95
89

Boisson L.: 10 days rest · 1 match (14d) · Sierra S.: 9 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
15°CMainly clear
Wind 16 km/hHumidity 73%