Marta Kostyuk def. Katie Boulter — Round of 128, US Open 2025
Grand SlamHardNew York, USA
Played26 Aug 2025
🇺🇦ranked WTA number 29 going into this drawWon
Marta Kostyuk seeded 27 6 6
🇬🇧ranked WTA number 48 going into this draw
Katie Boulter 4 4
🇺🇦Marta Kostyuk
🇬🇧Katie Boulter
Match stats
Serve
9
Aces
0
5
Double faults
8
58%
1st serve in
61%
68%
1st serve points won
65%
57%
2nd serve points won
41%
64%
Service points won
56%
8/10
Break points saved
5/9
Serve speed (km/h)
175
Fastest serve
175
158
Average 1st serve
155
141
Average 2nd serve
144
Return
44%
Return points won
36%
4/9
Break points won
2/10
Points
19
Winners
10
24
Unforced errors
22
6/12
Net points won
5/10
73
Total points won
63
Head to head
1–1 level
- This matchNew York R128won by Kostyuk
- 2024HardSan Diego Fwon by Boulter
Stats, 6 months going in
Won–lost
4–6
Last 10 matches
4–6
4–2
Last 30 days
1–3
By surface
8–5
Hard
2–6
6–3
Clay
2–3
0–3
Grass
5–3
By round
1–2
R128
4–4
6–0
R64
1–3
6–5
First match at an event
7–5
0–2
At Grand Slams
3–2
How their matches go
23
Completed matches
21
35%
Won in straight sets
10%
26%
Won after losing a set
33%
4%
Lost after winning a set
19%
35%
Lost in straight sets
38%
1–4
Tiebreaks
2–3
6–1
Deciding sets
7–4
11/12
Won after winning set 1
6/8
3/11
Won after losing set 1
3/13
Serve and return, last 5 matches
53%
1st serve in
53%
71%
1st serve points won
60%
40%
2nd serve points won
39%
59%
Break points saved
51%
49%
Return points won
44%
49%
Break points won
47%
2.2
Aces a match
2.8
6.2
Double faults a match
6.0
Last 14 days
0
Matches
2
0
Sets
5
17
Days since last match
5
Common opponents, 6 monthsCommon opponents, 6 months going in
| Opponent | Marta Kostyuk | Katie Boulter |
|---|---|---|
| 🇰🇿RybakinaNo. 10 | ||
| 🇰🇿RybakinaNo. 10 | LostCanada QF | LostIndian Wells R32 |
| 🇺🇸KesslerNo. 34 | ||
| 🇺🇸KesslerNo. 34 | WonCanada R16 | LostNottingham QF |
| Total | ||
| Total | 1–1 | 0–2 |