Katerina Siniakova vs Peyton Stearns

WTA Osaka (IX) (Japan), Hard. Wednesday, October 21, 2026, 01:05.

Updated

Tennis Gauge's model favors Katerina Siniakova, giving them a 53% chance to win against Peyton Stearns (47%). Katerina Siniakova leads 1-0 in their head-to-head. Siniakova is 7-3 in their last 10, Stearns 4-6.

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

Pre-match prediction

The model makes Katerina Siniakova a 53% favorite. The odds and the model roughly agree, so neither side shows value.

Model
53%
Book
59%

Model minus book: -6 pts

Model
47%
Book
46%

Model minus book: +1 pts

Model estimates, not betting advice. How the numbers work · Expected value of Katerina Siniakova at -145 · Model track record

Player comparison

Katerina SiniakovaPeyton Stearns
Tennis Gauge rating71137011
Tour rankWTA #21WTA #58
Last 10 matches7-34-6
Last 30 days2-20-3
Current streak6 Wins4 Losses
Season record24-1925-24
UTR12.3712.38
Elo (52 weeks)18301755
Best surfaceGrassClay
Worst surfaceClayGrass

Head to head

Katerina Siniakova leads 1-0.

DateWinnerScoreTournament
20.10.2026Katerina Siniakova6-4, 0-6, 4-0Japan Osaka

Recent form

Katerina Siniakova, last 10

DateOpponentScore
28.10.2026Lanlana Tararudee W2-6, 6-1, 6-4
25.10.2026Ashlyn Krueger W6-1, 6-0
24.10.2026Katie Boulter W6-1, 6-4
23.10.2026Mary Stoiana W6-1, 6-2
22.10.2026Magda Linette W6-4, 6-1
20.10.2026Peyton Stearns W6-4, 0-6, 4-0
13.10.2026Liudmila Samsonova L6-1, 5-7, 6-2
03.10.2026Elina Svitolina L1-6, 6-4, 6-2
01.10.2026Magda Linette W6-4, 6-3
03.09.2026Naomi Osaka L6-2, 5-7, 6-1

Peyton Stearns, last 10

DateOpponentScore
20.10.2026Katerina Siniakova L6-4, 0-6, 4-0
10.10.2026Han Shi L2-6, 7-5, 6-4
02.10.2026Viktorija Golubic L6-4, 3-6, 6-3
20.09.2026Iva Jovic L6-4, 6-2
19.09.2026Liudmila Samsonova W7-6, 6-2
18.09.2026Sloane Stephens W7-6, 6-4
16.09.2026Diane Parry W6-2, 7-5
13.09.2026Emiliana Arango W6-3, 6-2
31.08.2026Harriet Dart L3-6, 6-3, 6-2
16.08.2026Clara Tauson L7-6, 1-6, 7-5

Common opponents, last 12 months

OpponentKaterina SiniakovaPeyton Stearns
Amanda Anisimova 0-1
L 6-1, 6-4
0-1
L 6-1, 6-4
Ashlyn Krueger 1-0
W 6-1, 6-0
1-0
W 7-6, 7-5
Clara Tauson 1-0
W 6-4, 6-1
0-2
L 7-6, 1-6, 7-5, L 6-2, 6-4
Elena Gabriela Ruse 0-1
L 3-6, 6-3, 6-2
0-2
L 6-0, 7-5, L 6-2, 4-6, 6-4
Elvina Kalieva 1-0
W 6-3, 6-4
0-1
L 6-1, 2-6, 6-3
Liudmila Samsonova 0-2
L 6-1, 5-7, 6-2, L 6-3, 7-5
1-0
W 7-6, 6-2
Lois Boisson 1-0
W 6-2, 6-3
1-0
W 6-1, 6-3
Madison Keys 0-1
L 6-1, 6-3
0-1
L 4-6, 6-4, 6-2
Mary Stoiana 1-0
W 6-1, 6-2
1-0
W 4-6, 6-3, 7-6
Nikola Bartunkova 0-1
L 6-2, 6-4
0-1
L 6-4, 3-6, 7-5
Sofia Kenin 1-0
W 1-6, 6-4, 6-1
2-0
W 6-3, 6-3, W 6-3, 6-2

Katerina Siniakova vs Peyton Stearns: quick answers

Who will win Katerina Siniakova vs Peyton Stearns?

Tennis Gauge's model favors Katerina Siniakova, giving them a 53% chance to win against Peyton Stearns (47%).

What is the head-to-head record between Katerina Siniakova and Peyton Stearns?

Katerina Siniakova leads 1-0. Their most recent meeting was on October 20, 2026, won by Katerina Siniakova 6-4, 0-6, 4-0 at Japan Osaka.

Who is in better form, Katerina Siniakova or Peyton Stearns?

Katerina Siniakova is 7-3 in their last 10 matches (current streak: 6 Wins). Peyton Stearns is 4-6 (current streak: 4 Losses).

How does Tennis Gauge rate Katerina Siniakova and Peyton Stearns?

Katerina Siniakova is rated 7113 (WTA #21) and Peyton Stearns is rated 7011 (WTA #58). Ratings update after every match and weight recent results and opponent strength.

What are the odds for Katerina Siniakova vs Peyton Stearns?

Katerina Siniakova is priced at -145 and Peyton Stearns at +116, which implies a 59% and 46% chance to win. The model and the odds roughly agree, so neither side shows value.