Robin Montgomery vs Zeynep SonmezBirmingham 125 Round of 16

Birmingham 125 · CHALLENGER · Round of 16
#192WTA
1739ELO
1732Grass ELO
21 yrs · 178 cm · Left-handed
Last 10 · pre-match
LWWWWWWWWW
2 — 1
Sets
Monday, 2 June 2025
grass
#48WTA
1800ELO
1693Grass ELO
24 yrs · 170 cm · Right-handed
Last 10 · pre-match
LWLWWWLWWW
Montgomery R.
7-6 4-6 6-4
Sonmez Z.
Montgomery R.
78462
Sonmez Z.
66641

Robin Montgomery defeated Zeynep Sonmez 7-6 4-6 6-4 in the Birmingham 125 round of 16 on grass. The upset overturned the form book — Zeynep Sonmez came in ranked #48, but Robin Montgomery had been the form player, winning 9 of their last 10 on grass.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Montgomery R.serving61% hold

wins 54% of points on serve vs Sonmez Z.

Sonmez Z.serving67% hold

wins 57% of points on serve vs Montgomery 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

Statistics

This season
1st serve in·Slight edge
65%
59%
1st serve points won·Even
64%
62%
2nd serve points won·Even
44%
47%
Service points won·Even
57%
56%
Return points won·Even
41%
45%
Break points saved·Even
53%
54%
Aces / match·Clear edge
3.7
0.9
Double faults / match·Dominant
5.3
3.1

Averages over each player's completed matches in the selected window (26 vs 70). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
55
88
Break points saved·Even
81
80
Break points won·Dominant
44
97
Deciding sets·Dominant
65
95
Tiebreaks·Even
89
91

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
5.3
Clear underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
5.1
Clear underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
5.0+39 Grass Elo edge
Surface ELO
5.0Grass Elo 1693
3.9Overall Elo 1739
ELO gap
6.1Overall Elo 1800
5.0No prior meetings
H2H
5.0
7.9
Surface form
6.5
Win streak
0.0Lost last 2
Fatigue & Travel
Minutes 14d
8.6
7.0
3-set count
3.0
Surface transition
3.0
Context
5.0
Defending pts
5.0

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·Even
97
95

Montgomery R.: 13 days rest · 1 match (14d) · Sonmez Z.: 12 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast