Match Info

WTA - SINGLES: Guadalajara, hard - 1/8-finals

Date: 15 September 2026, Tuesday


	Sloane Stephens		Janice Tjen

	1	2
	2.50	1.53	Watch
	2.45	1.53
	2.55	1.50	Watch
	2.39	1.53	Watch
	2.55	1.54
	2.55	1.54	Watch
	2.44	1.51
Avarage Now (Initially)	2.49 ↑ (2.07)	1.53 ↓ (1.7)

The most likely Over/Under: 21.00

The best margin for this event is 4.2%, offered by

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Current Win Probability

Sloane Stephens
38%

Janice Tjen
62%

Initial Probability

(when we started the analysis)

45.1%

54.9%

Our Initial ML Estimation

47%

53%

Analysis of Changes in Winning Probabilities:

Sloane Stephens has seen a decrease in its chances compared to the initial analysis. (-7.1%)

Note: This is a significant drop in prediction, indicating that Sloane Stephens's form might have worsened.

Janice Tjen has improved its chances compared to the initial analysis. (+7.1%)

Note: This is a significant improvement in prediction, suggesting Janice Tjen's recent form is better than expected.

ML Model estimates a higher probability for Sloane Stephens than the current prediction. (+9%)

Note: The ML model's higher estimate suggests a strong performance forecast for Sloane Stephens, possibly due to key factors that the model accounted for.

ML Model estimates a lower probability for Janice Tjen than the current prediction. (-9%)

Note: The ML model's lower estimate suggests a potential downturn for Janice Tjen, possibly due to injuries or other negative factors.

Sloane Stephens - Janice Tjen Predictions

Expected Score (Market Odds): 0:2

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Preview

Stephens is ranked WTA: 169. Tjen is ranked WTA: 51.

The recent form of both competitors has been shaky.

Tjen may have a physical advantage due to more rest days in recent times.

In this match, both players have almost equal chances to win.

Recently, there has been no match between the players.

Form

✺ - easy match; ✺ - difficult match;

- Sloane Stephens
WTA Guadalajara
14.09.26	Carole Monnet - Sloane Stephens	0:2 ✺
WTA US Open
02.09.26	Marta Kostyuk - Sloane Stephens	2:0 ✺
31.08.26	Sloane Stephens - Clara Tauson	2:0 ✺
ATP Challenger
24.08.26	Mananchaya Sawangkaew - Sloane Stephens	2:1 ✺
WTA Cincinnati
18.08.26	Marta Kostyuk - Sloane Stephens	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.6 WLWLL
- Janice Tjen
WTA Guadalajara
13.09.26	Darja Vidmanova - Janice Tjen	0:2 ✺
WTA US Open
01.09.26	Mirra Andreeva - Janice Tjen	2:0 ✺
WTA Monterrey
25.08.26	Janice Tjen - Yulia Starodubtseva	0:2 ✺
24.08.26	Janice Tjen - Dayana Yastremska	2:1 ✺
WTA Cincinnati
18.08.26	Janice Tjen - Mirra Andreeva	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 4.9 WLLWL

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