WTA · Grand Slam

US Open 2025

First round · Tournament started on August 25, 2025

HardCompletedBest of 3 sets

WMarta KostyukNo. 28 · seed 27

RoundFirst roundmatch 135

Duration1h 36min96 minutes

SurfaceHarddraw of 128

Location—country not available

At that moment

Player comparison

ranking and points recorded by the source

No. 28RankingNo. 48

1,656Points1,168

27Seed—

Match numbers

— indicates data unavailable in the source

Marta KostyukMetricKatie Boulter

9Aces0

5Double faults8

38/66 · 57.6%First serves in43/70 · 61.4%

26/38 · 68.4%First-serve points won28/43 · 65.1%

16/28 · 57.1%Second-serve points won11/27 · 40.7%

8/10 · 80%Break points saved5/9 · 55.6%

10Service games10

Date precision

The available date represents the tournament start, not necessarily the day of this round.

Source