Marta Kostyuk vs Katie Boulter — US Open Round of 128
US Open · WTA · Round of 128
#11WTA
2057ELO
1968Hard ELO
$3.5MYTD
$10MCAREER
24 yrs · 175 cm · Right-handed
Last 10 · pre-match
WWWLWWLWWW
2 — 0
Sets
Monday, 25 August 2025 ·
hard
#71WTA
1831ELO
1795Hard ELO
30 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWLLLLLWWW
Kostyuk M.6-4 6-4
Boulter K.
Kostyuk M.
662
Boulter K.
440
Marta Kostyuk defeated Katie Boulter 6-4 6-4 in the US Open round of 128 on hard. The result followed the form book — Marta Kostyuk came in ranked #11, defending last year's round of 32. Marta Kostyuk claimed a first win over Katie Boulter in two meetings, narrowing the head-to-head to 1–1.
Key context
- Match story: Marta Kostyuk edged a tight contest from start to finish — 6–4 6–4.
Head to head
0–1| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-02-26 | San Diego | F | hard | Katie Boulter | 5-7 6-2 6-2 |
Statistics
This season1st serve in·Even
59%
59%
1st serve points won·Even
68%
66%
2nd serve points won·Even
46%
43%
Service points won·Even
59%
56%
Return points won·Even
46%
44%
Break points saved·Slight edge
62%
53%
Aces / match·Even
3.2
2.8
Double faults / match·Slight edge
5.1
5.7
Averages over each player's completed matches in the selected window (74 vs 78). ATP, WTA & Challenger.
Clutch
Under pressureClutch Rating·Dominant
86
56
Break points saved·Dominant
72
30
Break points won·Slight edge
94
84
Deciding sets·Clear edge
96
83
Tiebreaks·Clear edge
80
56
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadFreshness·Dominant
57
86
Kostyuk M.: 1 day rest · 3 matches, 79 games (7d) · Boulter K.: 5 days rest · 2 matches, 46 games (7d). Higher means fresher. About
Conditions
Court speed
Medium-fastrewards aggression
SlowFast