Katie Boulter vs Himeno Sakatsume

WTA Osaka (IX) (Japan), Hard. Wednesday, October 21, 2026, 12:20.

Updated

Tennis Gauge's model favors Katie Boulter, giving them a 62% chance to win against Himeno Sakatsume (38%). Katie Boulter leads 1-0 in their head-to-head. Boulter is 5-5 in their last 10, Sakatsume 4-6.

This preview is from Wednesday, October 21, 2026. The result isn't in the database yet.

Pre-match prediction

The model makes Katie Boulter a 62% favorite. The odds and the model roughly agree, so neither side shows value.

Model
62%
Book
65%

Model minus book: -2 pts

Model
38%
Book
41%

Model minus book: -3 pts

Model estimates, not betting advice. How the numbers work · Expected value of Katie Boulter at -185 · Model track record

Player comparison

Katie BoulterHimeno Sakatsume
Tennis Gauge rating70256883
Tour rankWTA #48WTA #128
Last 10 matches5-54-6
Last 30 days2-34-4
Current streak1 Loss3 Losses
Season record25-2338-29
UTR12.2911.78
Elo (52 weeks)17801632
Best surfaceGrassHard
Worst surfaceClayClay

Head to head

Katie Boulter leads 1-0.

DateWinnerScoreTournament
19.10.2026Katie Boulter6-3, 6-1Japan Osaka

Recent form

Katie Boulter, last 10

DateOpponentScore
24.10.2026Katerina Siniakova L6-1, 6-4
23.10.2026Antonia Ruzic W3-6, 6-3, 6-3
21.10.2026Viktorija Golubic W6-2, 6-1
19.10.2026Himeno Sakatsume W6-3, 6-1
13.10.2026Diana Shnaider L6-3, 6-1
02.10.2026Karolina Muchova L7-6, 6-1
30.09.2026Mai Hontama W6-3, 6-4
22.09.2026Linda Noskova L6-2, 7-6
02.09.2026Karolina Muchova L6-1, 6-0
30.08.2026Carol Young Suh Lee W6-4, 3-6, 6-0

Himeno Sakatsume, last 10

DateOpponentScore
27.10.2026Leylah Fernandez L6-2, 6-4
19.10.2026Katie Boulter L6-3, 6-1
10.10.2026Ayla Aksu L7-5, 6-3
09.10.2026Simona Waltert W5-7, 6-4, 6-0
07.10.2026Viktoria Hruncakova W7-5, 6-2
05.10.2026Dominika Salkova W6-1, 6-4
30.09.2026Shuai Zhang L6-4, 6-3
27.09.2026Tennielle Madis W6-1, 6-0
22.09.2026Taylah Preston L6-2, 3-6, 6-2
03.09.2026Cristina Bucsa L7-6, 6-7, 7-6

Common opponents, last 12 months

OpponentKatie BoulterHimeno Sakatsume
Ashlyn Krueger 0-1
L 3-6, 6-2, 6-2
0-1
L 6-4, 6-3
Carol Young Suh Lee 1-0
W 6-4, 3-6, 6-0
1-0
W 6-2, 7-5
Jasmine Paolini 0-1
L 0-6, 6-3, 6-3
0-1
L 6-3, 6-1
Jessica Bouzas Maneiro 1-0
W 7-6, 6-4
0-1
L 7-5, 6-2
Leylah Fernandez 1-1
L 6-7, 6-3, 6-3, W 3-6, 7-6, 7-5
0-1
L 6-2, 6-4
Mai Hontama 1-0
W 6-3, 6-4
1-1
L 6-2, 6-2, W 6-4, 6-2
Tyra Caterina Grant 0-1
L 6-4, 6-2
1-0
W 5-7, 6-2, 6-3

Earlier previews of this matchup

  • 2026-10-19: WTA Osaka (IX) (Japan), model gave Katie Boulter 63% at -179
  • 2026-10-18: WTA Osaka (IX) (Japan), model gave Katie Boulter 63% at -179

Katie Boulter vs Himeno Sakatsume: quick answers

Who will win Katie Boulter vs Himeno Sakatsume?

Tennis Gauge's model favors Katie Boulter, giving them a 62% chance to win against Himeno Sakatsume (38%).

What is the head-to-head record between Katie Boulter and Himeno Sakatsume?

Katie Boulter leads 1-0. Their most recent meeting was on October 19, 2026, won by Katie Boulter 6-3, 6-1 at Japan Osaka.

Who is in better form, Katie Boulter or Himeno Sakatsume?

Katie Boulter is 5-5 in their last 10 matches (current streak: 1 Loss). Himeno Sakatsume is 4-6 (current streak: 3 Losses).

How does Tennis Gauge rate Katie Boulter and Himeno Sakatsume?

Katie Boulter is rated 7025 (WTA #48) and Himeno Sakatsume is rated 6883 (WTA #128). Ratings update after every match and weight recent results and opponent strength.

What are the odds for Katie Boulter vs Himeno Sakatsume?

Katie Boulter is priced at -185 and Himeno Sakatsume at +145, which implies a 65% and 41% chance to win. The model and the odds roughly agree, so neither side shows value.