Katie Boulter vs Marta Kostyuk: Where to Watch, Predictions, Stats

Bet nowGamble Responsibly 18+
Tennis WTA US Open Katie Boulter - Marta Kostyuk
Result
0:2
26/08/2025 at 11:05 (Time Zone – GMT-4 (America/New_York))
  • WTA - SINGLES: US Open, hard - 1/64-finals
Katie Boulter - Marta Kostyuk - Gamble Responsibly 18+
00:00 / 90:00
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Match Stats

Aces
09
Double Faults
85
1st Serve Percentage
61%58%
1st Serve Points Won
65% (28/43)68% (26/38)
2nd Serve Points Won
41% (11/27)57% (16/28)
Break Points Saved
56% (5/9)80% (8/10)
Average 1st Serve Speed
155 km/h158 km/h
Average 2nd Serve Speed
144 km/h141 km/h
1st Return Points Won
32% (12/38)35% (15/43)
2nd Return Points Won
43% (12/28)59% (16/27)
Break Points Converted
20% (2/10)44% (4/9)
Winners
1019
Unforced Errors
2224
Net Points Won
50% (5/10)55% (6/11)
Service Points Won
56% (39/70)64% (42/66)
Return Points Won
36% (24/66)44% (31/70)
Total Points Won
46% (63/136)54% (73/136)
Last 10 Balls
55
Match Points Saved
50
Service Games Won
60% (6/10)80% (8/10)
Return Games Won
20% (2/10)40% (4/10)
Total Games Won
40% (8/20)60% (12/20)
Distance Covered (metres)
11091141

Chances of winning


Katie Boulter
36.8%
Marta Kostyuk
63.2%

Initial Probability

(when we started the analysis)
31.8% 68.2%

Our Initial ML Estimation

32.3% 67.7%


Analysis of Changes in Winning Probabilities:

  • Katie Boulter has improved its chances compared to the initial analysis. (+5%)
  • Marta Kostyuk has seen a decrease in its chances compared to the initial analysis. (-5%)
  • ML Model estimates a lower probability for Katie Boulter than the current prediction. (-4.5%)
  • ML Model estimates a higher probability for Marta Kostyuk than the current prediction. (+4.5%)
  • Katie Boulter - Marta Kostyuk Odds

    1 X 2 Marga
    Avarage Now
    (Initially)
    2.58
    (3.03)

    1.51
    (1.42)
    5.2%
    (3.7%)
    What is the prediction for Katie Boulter - Marta Kostyuk?
  • Users Predictions: 14 users predict this event. Boulter will win (votes: 5 - 35.7%). Kostyuk will win (votes: 9 - 64.3%).
    Confidence interval (95%) for Kostyuk: 39.2%89.4%.
  • The most likely score by Bookmakers is 0:2.
  • Preview Facts
    • Boulter is ranked WTA: 48. Kostyuk is ranked WTA: 27.
    • Recent form of Boulter has been disappointing (last 5 games: 1 wins).
    • Kostyuk is currently in excellent shape (in the last 5 games, wins – 4).
    • Kostyuk may have a physical advantage due to more rest days in recent times.
    • Kostyuk could have a small edge in this match.
    • We predict that Kostyuk will win today's game, with odds of 1.44.
    • In the last 1 head-to-head match, Boulter won 1 match, drew 0 matches, lost 0 matches, and goals 2:1.
    What were the results of their latest head-to-head matches?
    The latest head-to-head matches between Katie Boulter - Marta Kostyuk were as follows:
    03.03.2024 Marta Kostyuk - Katie Boulter 1:2
    Latest results of Katie Boulter
    Latest results of Marta Kostyuk
    11.08.2025 Iga Swiatek - Marta Kostyuk Swiatek I. walkover
    04.08.2025 Marta Kostyuk - Elena Rybakina Kostyuk M. retired
    Draw
    Singles - Main

    1/64-finals
    1Sabalenka A. (1)Masarova R.2 : 0
    2Parrizas-Diaz N. (RET.)Kudermetova P.0 : 0
    3Jacquemot E.Bouzkova M.2 : 0
    4Marino R. (Q)Fernandez L. (31)0 : 2
    5Mertens E. (19)Ahn A. (WC)2 : 0
    6Sun L.Osorio C.2 : 1
    7Bucsa C.Liu C. (Q)2 : 0
    8Eala A.Tauson C. (14)2 : 1
    9Rybakina E. (9)Pareja J. (WC)2 : 0
    10Bronzetti L.Valentova T. (Q)1 : 2
    11Raducanu E.Shibahara E. (Q)2 : 0
    12Tjen J. (Q)Kudermetova V. (24)2 : 1
    13Kessler M. (32)Linette M.2 : 0
    14Selekhmeteva O. (Q)Vondrousova M.0 : 2
    15Sasnovich A.Jovic I.0 : 2
    16Aiava D. (Q)Paolini J. (7)0 : 2
    17Pegula J. (4)Sherif M.2 : 0
    18Starodubtseva Y.Blinkova A.0 : 2
    19Azarenka V.Inoue H. (Q)2 : 0
    20Pavlyuchenkova A.Yastremska D. (30)2 : 1
    21Samsonova L. (17)Yuan Y.2 : 1
    22Jeanjean L.Hon P. (Q)0 : 2
    23Li A.Sramkova R.2 : 1
    24Zhang S. (Q)Bencic B. (16)0 : 2
    25Navarro E. (10)Wang Y.2 : 0
    26Teichmann J.McNally C. (WC)0 : 2
    27Uchijima M.Danilovic O.2 : 1
    28Krejcikova B.Mboko V. (22)2 : 0
    29Ostapenko J. (25)Wang Xiy. (Q)2 : 0
    30Townsend T.Ruzic A.2 : 0
    31Potapova A.Zhu L.2 : 1
    32Parks A.Andreeva M. (5)0 : 2
    33Keys M. (6)Zarazua R.1 : 2
    34Kvitova P.Parry D.0 : 2
    35Volynets K. (Q)Sonmez Z.0 : 2
    36Boulter K.Kostyuk M. (27)0 : 2
    37Noskova L. (21)Galfi D. (Q)2 : 0
    38Jones F. (Q)Lys E.0 : 2
    39Cirstea S.Sierra S.2 : 0
    40Williams V. (WC)Muchova K. (11)1 : 2
    41Kasatkina D. (15)Ruse G.2 : 0
    42Rakhimova K.Garcia C. (WC)2 : 1
    43Baptiste H.Siniakova K.2 : 0
    44Minnen G.Osaka N. (23)0 : 2
    45Frech M. (28)Gibson T. (WC)2 : 0
    46Semenistaja D. (Q)Stearns P.0 : 2
    47Vekic D.Bouzas Maneiro J.2 : 1
    48Tomljanovic A.Gauff C. (3)1 : 2
    49Anisimova A. (8)Birrell K.2 : 0
    50Jimenez Kasintseva V. (Q)Joint M.0 : 2
    51Collins D.Cristian J.0 : 2
    52Krueger A.Kenin S. (26)2 : 1
    53Haddad Maia B. (18)Kartal S.2 : 1
    54Boisson L.Golubic V.1 : 2
    55Sakkari M.Maria T.2 : 0
    56Bondar A.Svitolina E. (12)2 : 0
    57Alexandrova E. (13)Sevastova A.2 : 0
    58Dolehide C.Wang Xin.1 : 2
    59Zakharova A.Avanesyan E.2 : 0
    60Siegemund L.Shnaider D. (20)2 : 1
    61Kalinskaya A. (29)Ngounoue C. (WC)2 : 1
    62Putintseva Y.Cocciaretto E.2 : 0
    63Lamens S.Glozman V. (WC)2 : 0
    64Arango E.Swiatek I. (2)0 : 2

    1/32-finals
    1Sabalenka A. (1)Kudermetova P.2 : 0
    2Jacquemot E.Fernandez L. (31)1 : 2
    3Mertens E. (19)Sun L.2 : 0
    4Bucsa C.Eala A.2 : 0
    5Rybakina E. (9)Valentova T.2 : 0
    6Raducanu E.Tjen J.2 : 0
    7Kessler M. (32)Vondrousova M.0 : 2
    8Jovic I.Paolini J. (7)0 : 2
    9Pegula J. (4)Blinkova A.2 : 0
    10Azarenka V.Pavlyuchenkova A.2 : 0
    11Samsonova L. (17)Hon P.1 : 2
    12Li A.Bencic B. (16)2 : 0
    13Navarro E. (10)McNally C.2 : 0
    14Uchijima M.Krejcikova B.0 : 2
    15Ostapenko J. (25)Townsend T.0 : 2
    16Potapova A.Andreeva M. (5)0 : 2
    17Zarazua R.Parry D.1 : 2
    18Sonmez Z.Kostyuk M. (27)1 : 2
    19Noskova L. (21)Lys E. (RET.)1 : 0
    20Cirstea S.Muchova K. (11)1 : 2
    21Kasatkina D. (15)Rakhimova K.2 : 1
    22Baptiste H.Osaka N. (23)0 : 2
    23Frech M. (28)Stearns P.2 : 1
    24Vekic D.Gauff C. (3)0 : 2
    25Anisimova A. (8)Joint M.2 : 0
    26Cristian J.Krueger A.2 : 1
    27Haddad Maia B. (18)Golubic V.2 : 0
    28Sakkari M.Bondar A.2 : 0
    29Alexandrova E. (13)Wang Xin.2 : 0
    30Zakharova A.Siegemund L.0 : 2
    31Kalinskaya A. (29)Putintseva Y.2 : 0
    32Lamens S.Swiatek I. (2)1 : 2

    1/16-finals
    1Sabalenka A. (1)Fernandez L. (31)2 : 0
    2Mertens E. (19)Bucsa C.1 : 2
    3Rybakina E. (9)Raducanu E.2 : 0
    4Vondrousova M.Paolini J. (7)2 : 0
    5Pegula J. (4)Azarenka V.2 : 0
    6Hon P.Li A.0 : 2
    7Navarro E. (10)Krejcikova B.1 : 2
    8Townsend T.Andreeva M. (5)2 : 0
    9Parry D.Kostyuk M. (27)1 : 2
    10Noskova L. (21)Muchova K. (11)1 : 2
    11Kasatkina D. (15)Osaka N. (23)1 : 2
    12Frech M. (28)Gauff C. (3)0 : 2
    13Anisimova A. (8)Cristian J.2 : 1
    14Haddad Maia B. (18)Sakkari M.2 : 0
    15Alexandrova E. (13)Siegemund L.2 : 0
    16Kalinskaya A. (29)Swiatek I. (2)0 : 2

    1/8-finals
    1Sabalenka A. (1)Bucsa C.2 : 0
    2Rybakina E. (9)Vondrousova M.1 : 2
    3Pegula J. (4)Li A.2 : 0
    4Krejcikova B.Townsend T.2 : 1
    5Kostyuk M. (27)Muchova K. (11)
    6Osaka N. (23)Gauff C. (3)2 : 0
    7Anisimova A. (8)Haddad Maia B. (18)
    8Alexandrova E. (13)Swiatek I. (2)0 : 2

    Quarter-finals
    1Sabalenka A. (1)Vondrousova M.
    2Pegula J. (4)Krejcikova B.
    3TBD #5Osaka N. (23)
    4TBD #7Swiatek I. (2)

    Semi-finals
    1TBD #1TBD #2
    2TBD #3TBD #4

    Final
    1TBD #1TBD #2
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