Coco Gauff def. Zeynep Sonmez — Round of 128, US Open 2026
Grand SlamHardNew York, USA
Played1 Sep 2026
🇺🇸ranked WTA number 4 going into this drawWon
Coco Gauff seeded 4 6 6
🇹🇷ranked WTA number 52 going into this draw
Zeynep Sonmez 3 4
🇺🇸Coco Gauff
🇹🇷Zeynep Sonmez
Match stats
Serve
5
Aces
0
3
Double faults
2
62%
1st serve in
50%
71%
1st serve points won
69%
64%
2nd serve points won
38%
68%
Service points won
54%
4/5
Break points saved
3/6
Serve speed (km/h)
201
Fastest serve
175
180
Average 1st serve
156
151
Average 2nd serve
120
Return
46%
Return points won
32%
3/6
Break points won
1/5
Points
18
Winners
18
12
Unforced errors
20
4/8
Net points won
12/18
69
Total points won
49
Stats, 6 months going in
Won–lost
9–1
Last 10 matches
5–5
10–1
Last 30 days
2–2
By surface
16–3
Hard
5–5
10–4
Clay
4–4
5–2
Grass
6–4
By round
2–0
R128
7–1
8–0
R64
1–6
9–1
First match at an event
12–1
7–2
At Grand Slams
1–2
How their matches go
38
Completed matches
26
45%
Won in straight sets
23%
34%
Won after losing a set
27%
21%
Lost after winning a set
15%
0%
Lost in straight sets
35%
4–4
Tiebreaks
4–3
13–8
Deciding sets
7–4
21/24
Won after winning set 1
10/13
9/14
Won after losing set 1
3/13
Serve and return, last 5 matches
58%
1st serve in
61%
73%
1st serve points won
59%
54%
2nd serve points won
40%
62%
Break points saved
55%
52%
Return points won
43%
52%
Break points won
53%
3.2
Aces a match
2.0
3.6
Double faults a match
4.8
Last 14 days
5
Matches
0
10
Sets
0
9
Days since last match
17
Common opponents, 6 monthsCommon opponents, 6 months going in
| Opponent | Coco Gauff | Zeynep Sonmez |
|---|---|---|
| 🇺🇸PegulaNo. 3 | ||
| 🇺🇸PegulaNo. 3 | WonCincinnati FWonLondon QF | LostRome R64 |
| 🇨🇿BejlekNo. 29 | ||
| 🇨🇿BejlekNo. 29 | WonCincinnati SF | WonEastbourne R16 |
| 🇺🇸LiNo. 30 | ||
| 🇺🇸LiNo. 30 | WonCincinnati R32 | WonLondon R128 |
| 🇨🇭BencicNo. 12 | ||
| 🇨🇭BencicNo. 12 | WonCanada QFWonLondon R16WonMiami QF | LostMiami R64 |
| 🇬🇷SakkariNo. 33 | ||
| 🇬🇷SakkariNo. 33 | WonCanada R32 | LostCanada R64 |
| 🇺🇸Liu | ||
| 🇺🇸Liu | WonLondon R32 | LostLondon R64 |
| Total | ||
| Total | 11–1 | 3–5 |