Surface:
Hard
Round:
1/16
Katie Boulter
GBR
WTA - 54
11
:
23
:
08
Himeno Sakatsume
JPN
WTA - 115

Boulter vs Sakatsume Prediction 19 October 2026

    🔊 Katie Boulter and Himeno Sakatsume are both looking to match their best result in Osaka - a place in the second round. Boulter needs to defend her result from last year, while Sakatsume is playing in the main draw of her home tournament for the first time in three years, having previously also reached the round of 16. The match comes at a point where the two players are in contrasting form: Boulter is on a losing streak, while Sakatsume built some momentum in Samsun, where she reached the semi-finals of the Turkish challenger.

    Head-to-Head

    📊 In their only previous meeting, Himeno Sakatsume won 7-5, 6-3. The match took place in 2023 in the final of a Japanese futures event.

    Head-to-head statistics Boulter - Sakatsume

    0%
    0 Wins
    100%
    1 Win
    07.05.23
    ITF Japan 07A, Women Singles
    Himeno Sakatsume
    Himeno Sakatsume
    Katie Boulter
    Katie Boulter
    2
    0
    7
    5
    6
    3
    Empty
    There are no events
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    Katie Boulter Player Overview

    Katie Boulter arrives at this tournament on a two-match losing streak, having won only three of her last ten matches. Statistically, she has won just 41% of games and 30% of sets, reflecting difficulties in converting advantages during matches. On serve, she wins 69% of service points, though her overall share of points won remains below half at just 46%. Maintaining momentum has been a recurring problem: in six of her last ten matches she has lost 0-2 in sets. A run of five consecutive matches without reaching 12.5 games won underlines the current dip in form.

    Match Results: Katie Boulter

    13.10.26
    WUH
    Katie Boulter
    Katie Boulter
    Diana Shnaider
    Diana Shnaider
    0
    2
    3
    6
    1
    6
    L
    02.10.26
    China, Beijing
    Karolina Muchova
    Karolina Muchova
    Katie Boulter
    Katie Boulter
    2
    0
    77
    63
    6
    1
    L
    30.09.26
    China, Beijing
    Mai Hontama
    Mai Hontama
    Katie Boulter
    Katie Boulter
    0
    2
    3
    6
    4
    6
    W
    22.09.26
    Fed Cup
    Linda Noskova
    Linda Noskova
    Katie Boulter
    Katie Boulter
    2
    0
    6
    2
    77
    63
    L
    02.09.26
    USO
    Katie Boulter
    Katie Boulter
    Karolina Muchova
    Karolina Muchova
    0
    2
    1
    6
    0
    6
    L
    Empty
    There are no events
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    Himeno Sakatsume Player Overview

    Himeno Sakatsume has been in solid form, winning seven of her last ten matches - a noticeably better record than her upcoming opponent's. Recent highlights include a run to the semi-finals of the Challenger in Samsun. She holds serve in 6 of every 10 service games, and her overall points-won percentage is a strong 53%. She also converts close to half her break points and has rarely put together losing streaks at any stage of the season. Before her recent run at the Turkish tournament, she had reached the second round of the US Open, having started the Grand Slam from qualifying.

    Match Results: Himeno Sakatsume

    10.10.26
    WTA 125K Samsun, Turkiye Women Singles
    Ayla Aksu
    Ayla Aksu
    Himeno Sakatsume
    Himeno Sakatsume
    2
    0
    7
    5
    6
    3
    L
    09.10.26
    WTA 125K Samsun, Turkiye Women Singles
    Simona Waltert
    Simona Waltert
    Himeno Sakatsume
    Himeno Sakatsume
    1
    2
    7
    5
    4
    6
    0
    6
    W
    07.10.26
    WTA 125K Samsun, Turkiye Women Singles
    Viktoria Hruncakova
    Viktoria Hruncakova
    Himeno Sakatsume
    Himeno Sakatsume
    0
    2
    5
    7
    2
    6
    W
    05.10.26
    WTA 125K Samsun, Turkiye Women Singles
    Dominika Salkova
    Dominika Salkova
    Himeno Sakatsume
    Himeno Sakatsume
    0
    2
    1
    6
    4
    6
    W
    22.09.26
    Korea Republic, Seoul
    Taylah Preston
    Taylah Preston
    Himeno Sakatsume
    Himeno Sakatsume
    2
    1
    6
    2
    3
    6
    6
    2
    L
    Empty
    There are no events
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    Key factors

    • Katie Boulter has not won more than 12.5 games in her last five matches.
    • Katie Boulter is in poor form: just three wins from ten matches and a low set-winning percentage.
    • Himeno Sakatsume has won 7 of her last 10 matches and is holding serve comfortably.
    • In their only previous meeting, Himeno Sakatsume beat Katie Boulter 2-0 in sets.

    Expected scenario

    Himeno Sakatsume, the lower-ranked player, looks capable of offering meaningful resistance here, given her better recent form, serve consistency and a positive head-to-head record. The expected total falls within a moderate games range, not far from tour averages. Under these conditions, the home player has a reasonable chance of keeping the score close or even taking the match.

    ⭐ Editor's Pick

    The difference in current form between the two players is clear - Katie Boulter is in the middle of a poor run, with her sets won and total games figures remaining low for several weeks. Himeno Sakatsume, meanwhile, has been producing consistent results, holding serve effectively and has already beaten the British player before. Despite the significant gap in ranking and odds, we would not consider the Japanese player quite such an obvious underdog. We suggest taking advantage of the odds and backing Sakatsume - Games Handicap +4.5.
    Himeno Sakatsume Handicap (+4,5)
    Odds-169
    Published: 18/10/2026, 17:28
    Dmitry Rudakow
    Dmitry Rudakow
    Tennis expert
    231
    0
    172
    403 predictions
    Statistics for October 2026

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    Betting Tips: Katie Boulter - Himeno Sakatsume

    Katie Boulter has lost the 2nd set:
    boulter-katiein 13 of last 14 matches.
    Himeno Sakatsume has won the 2nd set:
    himeno-sakatsumein 9 of last 10 matches.
    2nd Set Himeno Sakatsume to Win
    +136
    Katie Boulter has won under 12.5 games:
    boulter-katiein last 5 matches.
    Katie Boulter Total Under (12,5)
    MyBookie
    -149
    Under 2.5 sets:
    boulter-katiein last 5 Katie Boulter games.
    Sets Total Under (2,5)
    MyBookie
    -213
    Under 21.5 games:
    boulter-katiein last 5 Katie Boulter games.
    Total Under (21,5)
    Bovada
    -120
    View more facts