Match Info

WTA - SINGLES: Osaka, hard - 1/16-finals

Date: 20 October 2026, Tuesday 🏁 Finished

Location: Osaka 🌤️ ... 🔵 Hard


	Katerina Siniakova		Peyton Stearns

	1	2
	1.73	2.1	Watch
	1.70	2.10
	1.71	2.1	Watch
	1.68	2.13	Watch
	1.7	2.2
	1.74	2.12	Watch
	1.7	2.05
Avarage Now (Initially)	1.71 ↓ (1.85)	2.11 ↑ (1.85)

The most likely Over/Under: 21.50

The best margin for this event is 4.3%, offered by

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Current Win Probability

Katerina Siniakova
55.3%

Peyton Stearns
44.7%

Initial Probability (when we started the analysis)

50%

Our Initial ML Estimation

47.9%

52.1%

Analysis of Changes in Winning Probabilities:

Katerina Siniakova has improved its chances compared to the initial analysis. (+5.3%)

Note: This is a significant improvement in prediction, suggesting increased confidence in Katerina Siniakova's performance.

Peyton Stearns has seen a decrease in its chances compared to the initial analysis. (-5.3%)

Note: This is a significant drop in prediction, and Peyton Stearns might be facing challenges that affect their performance.

ML Model estimates a lower probability for Katerina Siniakova than the current prediction. (-7.4%)

Note: The ML model's lower estimate suggests that there may be underlying issues with Katerina Siniakova that the model has picked up on.

ML Model estimates a higher probability for Peyton Stearns than the current prediction. (+7.4%)

Note: The ML model's higher estimate suggests that Peyton Stearns could outperform expectations, possibly based on recent matchups or player stats.

Who will win by Users?

1	X	2
0%	0%	100%

Katerina Siniakova - Peyton Stearns Predictions

Users Predictions: 4 users predict this event. Stearns will win (votes: 4 - 100%).

Verified Performance Core (Selected Experts): 1 Selected Experts predict this event. Stearns (votes: 1 - 100%).

Expected Score (Market Odds): 2:0

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Preview

Siniakova is ranked WTA: 87., and Stearns is ranked WTA: 37..

Both players have experienced an unpredictable run of results lately.

Stearns could enjoy a physical edge thanks to more rest days ahead of this match.

In this match, both players have fairly balanced chances of victory.

In the last 2 head-to-head meetings, Siniakova has recorded 1 win, 0 draws, and 1 loss, with a goal aggregate of 2:3 (averaging 1:1.5 goals per game).

Form

✺ - easy match; ✺ - difficult match;

- Katerina Siniakova
WTA Wuhan
12.10.26	Katerina Siniakova - Ludmilla Samsonova	1:2 ✺
WTA Beijing
03.10.26	Katerina Siniakova - Elina Svitolina	1:2 ✺
01.10.26	Magda Linette - Katerina Siniakova	0:2 ✺
WTA US Open
03.09.26	Naomi Osaka - Katerina Siniakova	2:1 ✺
31.08.26	Elisabaetta Cocciaretto - Katerina Siniakova	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 4.7 LLWLW
- Peyton Stearns
WTA Wuhan
10.10.26	Peyton Stearns - Han Shi	1:2 ✺
WTA Beijing
01.10.26	Viktorija Golubic - Peyton Stearns	2:1 ✺
WTA Guadalajara
19.09.26	Peyton Stearns - Iva Jovic	0:2 ✺
18.09.26	Ludmilla Samsonova - Peyton Stearns	0:2 ✺
17.09.26	Peyton Stearns - Sloane Stephens	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.9 LLLWW

Latest Head to Head

WTA Cleveland
22.08.24	Katerina Siniakova - Peyton Stearns	2:1
WTA Roland Garros
29.05.23	Peyton Stearns - Katerina Siniakova	2:0

Upcoming Matches

✺ - easy match; ✺ - difficult match;

- Katerina Siniakova
WTA Guangzhou
29.10.26	Claire Liu - Katerina Siniakova	✺

Katerina Siniakova - Peyton Stearns