Zeynep Sonmez vs Coco GauffUS Open Round of 128

US Open · WTA · Round of 128
#53WTA
1800ELO
1730Hard ELO
$806kYTD
24 yrs · 170 cm · Right-handed
Last 10 · pre-match
LWLWLWLWLW
0 — 2
Sets
Wednesday, 2 September 2026 ·
hard
Arthur Ashe Stadium · 3rd on
#4WTA
2071ELO
2035Hard ELO
$4.1MYTD
22 yrs · 175 cm · Right-handed
Last 10 · pre-match
WWWWWWWWWL
Sonmez Z.
3-6 4-6
Gauff C.
Sonmez Z.
340
Gauff C.
662

Coco Gauff defeated Zeynep Sonmez in the Round of 128 at the US Open, winning 6-3, 6-4. Gauff served 5 aces and committed 3 double faults, while converting 50% of her break points and securing 3 service breaks. Sonmez had 2 double faults, converted 20% of her break points, and had 1 service break.

Generated automatically from Umpiry match data.

Around the match

  • People come out of the woodwork. You haven't spoken to someone for years. They don't say congrats or happy birthday or nothing. Then they're like, 'Oh, I'm in New York, can I have eight tickets to your match in your box, please?'

    Gauff C.WTA Tennis
  • I think over the course of the seven years, I feel like my mom hit a tipping point, because it's been going on since I was 15.

    Gauff C.WTA Tennis

Quotes belong to their sources, linked above. Lines marked “Umpiry summary” are written by Umpiry from the linked article, not quoted from it.

Key context

  • Match story: Coco Gauff closed it out in two sets, 6–3 6–4.

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
63%
64%
1st serve points won·Even
63%
67%
2nd serve points won·Slight edge
49%
42%
Service points won·Even
57%
58%
Return points won·Even
45%
47%
Break points saved·Even
55%
54%
Aces / match·Slight edge
1.6
2.5
Double faults / match·Dominant
2.2
6.0

Averages over each player's completed matches in the selected window (40 vs 42). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
56
93
Break points saved·Dominant
15
81
Break points won·Slight edge
94
100
Deciding sets·Clear edge
87
99
Tiebreaks·
99

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

Win Probability

Pre-match · updated 22:50 UTC
Sonmez Z.13%
Gauff C.87%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Gauff C. heavily favoured

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
5.0
Heavy underdogUmpiry Score
8.2
Dominant favouriteUmpiry Score
Form & Matchup
1.2Hard Elo 1730
Surface ELO
8.8+305 Hard Elo edge
1.6Overall Elo 1800
ELO gap
8.4Overall Elo 2071
5.0No prior meetings
H2H
5.0No prior meetings
4.85 of last 10 on hard
Surface form
9.29 of last 10 on hard
0.0
Win streak
9.06-match win streak
Context
6.0Reached the R64 here last year
Defending pts
6.0Reached the last 16 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·Clear edge
95
72

Sonmez Z.: 7 days rest · 1 match, 19 games (7d) · Gauff C.: 1 day rest · 4 matches, 78 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
21°COvercast
Wind 13 km/hHumidity 92%

Draw