Marta Kostyuk vs Katie Boulter — US Open Round of 128
US Open · WTA · Round of 128
#13WTA
2057ELO
1968Hard ELO
$2.3MYTD
$9.1MCAREER
24 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWWWWWLWWW
0 — 0
Sets
Monday, 25 August 2025
hard
#60WTA
1831ELO
1795Hard ELO
29 yrs · 180 cm · Right-handed
Last 10 · pre-match
LLLWWWLWLW
Kostyuk M.6-4 6-4
Boulter K.
Kostyuk M.
662
Boulter K.
44–
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 #13, 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 |
Serve vs return
This seasonServe advantage — Kostyuk M.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Serve & return on hard
Kostyuk M.Boulter K.
53
Serve
21
57
Return
67
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Statistics
This season1st serve in·Even
59%
59%
1st serve points won·Even
67%
65%
2nd serve points won·Even
46%
44%
Service points won·Even
59%
56%
Return points won·Even
46%
45%
Break points saved·Slight edge
62%
53%
Aces / match·Even
3.0
3.0
Double faults / match·Even
5.2
5.5
Averages over each player's completed matches in the selected window (62 vs 59). ATP, WTA & Challenger.
Clutch
Under pressureClutch Rating·Slight edge
92
87
Break points saved·Slight edge
93
86
Break points won·Slight edge
98
93
Deciding sets·Even
98
94
Tiebreaks·Even
86
88
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadFreshness·Dominant
69
98
Kostyuk M.: 3 days rest · 3 matches, 57 games (7d) · Boulter K.: 12 days rest · 1 match (14d). Higher means fresher. About
Conditions
Court speed
Medium-fastrewards aggression
SlowFast
Weather
29°CClear
Wind 7 km/hHumidity 45%
Draw
Quarter-finals
Sabalenka A.
Vondrousova M.
W/O
Anisimova A.
Swiatek I.
6-46-3
Pegula J.
Krejcikova B.
6-36-3
Osaka N.
Muchova K.
6-47-63
R16
Osaka N.
Gauff C.
6-36-2
Pegula J.
Li A.
6-16-2
Muchova K.
Kostyuk M.
6-36-706-3
Vondrousova M.
Rybakina E.
6-45-76-2
Sabalenka A.
Bucsa C.
6-16-4
Krejcikova B.
Townsend T.
1-67-6136-3
Swiatek I.
Alexandrova E.
6-36-1
Anisimova A.
Haddad Maia B.
6-06-3
R32
Li A.
Hon P.
7-56-3
Bucsa C.
Mertens E.
3-67-56-3
Alexandrova E.
Siegemund L.
6-06-1
Sabalenka A.
Fernandez L.
6-37-62
Pegula J.
Azarenka V.
6-17-5
Townsend T.
Andreeva M.
7-56-2
Vondrousova M.
Paolini J.
7-646-1
Anisimova A.
Cristian J.
6-44-66-2
Swiatek I.
Kalinskaya A.
7-626-4
Osaka N.
Kasatkina D.
6-04-66-3
Haddad Maia B.
Sakkari M.
6-16-2
Rybakina E.
Raducanu E.
6-16-2
Gauff C.
Frech M.
6-36-1
Kostyuk M.
Parry D.
3-66-46-2
Muchova K.
Noskova L.
6-756-46-2
Krejcikova B.
Navarro E.
4-66-46-4
R64
Noskova L.
Lys E.
6-43-0
Paolini J.
Jovic I.
6-36-3
Parry D.
Zarazua R.
6-22-67-67
Mertens E.
Sun L.
6-26-3
Anisimova A.
Joint M.
7-626-2
Andreeva M.
Potapova A.
6-16-3
Pegula J.
Blinkova A.
6-16-3
Muchova K.
Cirstea S.
7-606-736-4
Kasatkina D.
Rakhimova K.
6-24-67-5
Osaka N.
Baptiste H.
6-36-1
Swiatek I.
Lamens S.
6-14-66-4
Frech M.
Stearns P.
6-766-36-2
Gauff C.
Vekic D.
7-656-2
Bucsa C.
Eala A.
6-46-3
Cristian J.
Krueger A.
4-66-26-2
Hon P.
Samsonova L.
4-66-36-2
Sakkari M.
Bondar A.
6-36-1
Fernandez L.
Jacquemot E.
2-66-36-2
Sabalenka A.
Kudermetova P.
7-646-2
Haddad Maia B.
Golubic V.
6-16-4
Navarro E.
Mcnally C.
6-26-1
Azarenka V.
Pavlyuchenkova A.
6-36-3
Kalinskaya A.
Putintseva Y.
6-17-5
Rybakina E.
Valentova T.
6-37-67
Raducanu E.
Tjen J.
6-26-1
Vondrousova M.
Kessler M.
7-676-2
Siegemund L.
Zakharova A.
6-46-2
Alexandrova E.
Wang X.
6-26-2
Li A.
Bencic B.
6-36-3
Krejcikova B.
Uchijima M.
6-46-2
Townsend T.
Ostapenko J.
7-56-1
Kostyuk M.
Sonmez Z.
7-56-756-3
R128
Kudermetova P.
Parrizas Diaz N.
2-2
Swiatek I.
Arango E.
6-16-2
Mcnally C.
Teichmann J.
6-26-2
Uchijima M.
Danilovic O.
7-624-67-69
Ostapenko J.
Wang X.
6-46-3
Townsend T.
Ruzic A.
6-46-4
Blinkova A.
Starodubtseva Y.
6-36-1
Sabalenka A.
Masarova R.
7-56-1
Jacquemot E.
Bouzkova M.
6-46-3
Fernandez L.
Marino R.
6-26-1
Sun L.
Osorio C.
6-42-66-0
Bucsa C.
Liu C.
6-26-1
Eala A.
Tauson C.
6-32-67-611
Rybakina E.
Pareja J.
6-36-0
Valentova T.
Bronzetti L.
6-33-66-4
Raducanu E.
Shibahara E.
6-16-2
Tjen J.
Kudermetova V.
6-44-66-4
Kessler M.
Linette M.
7-57-5
Vondrousova M.
Selekhmeteva O.
6-37-63
Li A.
Sramkova R.
4-66-26-4
Jovic I.
Sasnovich A.
7-666-3
Paolini J.
Aiava D.
6-27-64
Hon P.
Jeanjean L.
6-37-5
Pegula J.
Sherif M.
6-06-4
Samsonova L.
Yuan Y.
2-66-46-4
Pavlyuchenkova A.
Yastremska D.
6-757-656-4
Azarenka V.
Inoue H.
7-606-4
Navarro E.
Wang Y.
7-696-3
Lamens S.
Glozman V.
6-46-2
Potapova A.
Zhu L.
6-44-66-2
Putintseva Y.
Cocciaretto E.
6-47-64
Siegemund L.
Shnaider D.
7-632-66-3
Zakharova A.
Avanesyan E.
6-36-4
Wang X.
Dolehide C.
2-66-46-2
Alexandrova E.
Sevastova A.
6-46-1
Bondar A.
Svitolina E.
6-26-4
Sakkari M.
Maria T.
6-36-2
Haddad Maia B.
Kartal S.
6-31-66-1
Krueger A.
Kenin S.
5-76-46-2
Gauff C.
Tomljanovic A.
6-46-727-5
Vekic D.
Bouzas Maneiro J.
3-67-56-3
Baptiste H.
Siniakova K.
7-56-3
Rakhimova K.
Garcia C.
6-44-66-3
Stearns P.
Semenistaja D.
7-56-0
Frech M.
Gibson T.
6-26-2
Parry D.
Kvitova P.
6-16-0
Sonmez Z.
Volynets K.
6-36-4
Osaka N.
Minnen G.
6-36-4
Kostyuk M.
Boulter K.
6-46-4
Noskova L.
Galfi D.
6-47-5
Lys E.
Jones F.
6-07-5
Cirstea S.
Sierra S.
7-56-0
Bencic B.
Zhang S.
6-36-3
Mertens E.
Ahn A.
6-16-0
Kasatkina D.
Ruse E.
7-56-1
Krejcikova B.
Mboko V.
6-36-2
Andreeva M.
Parks A.
6-06-1
Zarazua R.
Keys M.
6-7107-637-5
Muchova K.
Williams V.
6-32-66-1
Anisimova A.
Birrell K.
6-36-2
Joint M.
Jimenez Kasintseva V.
6-47-66
Cristian J.
Collins D.
6-26-0
Golubic V.
Boisson L.
3-67-636-2
Kalinskaya A.
Ngounoue C.
6-05-76-4