Match Info

WTA - SINGLES: Sao Paulo, hard - 1/16-finals

Date: 8 September 2025, Monday


	Arianne Hartono		Solana Sierra

	1	2
	3.4	1.33	Watch
	3.8	1.25
	3.45	1.3	Watch
	3.65	1.31
	3.61	1.27	Watch
	3.24	1.35	Watch
Avarage Now (Initially)	3.53 ↑ (2.67)	1.3 ↓ (1.39)

The best margin for this event is 3.7%, offered by

#Advertisement. For Live Stream GEO restrictions apply. Funded account required. GamblingTherapy.org. 18+

Current Win Probability

Arianne Hartono
27%

Solana Sierra
73%

Initial Probability

(when we started the analysis)

34.2%

65.8%

Our Initial ML Estimation

34.1%

65.9%

Analysis of Changes in Winning Probabilities:

Arianne Hartono has seen a decrease in its chances compared to the initial analysis. (-7.2%)

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

Solana Sierra has improved its chances compared to the initial analysis. (+7.2%)

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

ML Model estimates a higher probability for Arianne Hartono than the current prediction. (+7.1%)

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

ML Model estimates a lower probability for Solana Sierra than the current prediction. (-7.1%)

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

Who will win by Users?

1	X	2
20%	0%	80%

Arianne Hartono - Solana Sierra Predictions

Users Predictions: 5 users predict this event. Hartono will win (votes: 1 - 20%). Sierra will win (votes: 4 - 80%).

Over/Under & Asian Handicap Predictions by Selected Experts:

O/U 20 Games - under (votes: 1 - 100%) .

AH +1.5 Sets - Hartono (1.95) (votes: 1 - 100%) .

Overall Expert Consensus (including all markets): 1 Selected Experts predict this event. Hartono (votes: 1 - 100%).

Expected Score (Market Odds): 0:2

#ad

Preview

Hartono is ranked WTA: 187. Sierra is ranked WTA: 74.

In recent matches, Hartono has shown inconsistent form (last 5 games: 2 wins).

Sierra is currently in poor form (in the last 5 games, wins – 1).

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

In this match, Sierra is seen as the favorite.

Recently, the players have not faced each other.

Form

✺ - easy match; ✺ - difficult match;

- Arianne Hartono
WTA Guadalajara
02.09.25	Arianne Hartono - Alexandra Eala	0:2 ✺
WTA US Open
22.08.25	Francesca Jones - Arianne Hartono	2:0 ✺
21.08.25	Arianne Hartono - Olivia Gadecki	2:1 ✺
19.08.25	Ana Sofia Sanchez - Arianne Hartono	1:2 ✺
ITF Tournaments
07.08.25	Arianne Hartono - Mary Stoiana	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.4 LLWWL
- Solana Sierra
WTA US Open
26.08.25	Sorana Cirstea - Solana Sierra	2:0 ✺
WTA Cleveland
21.08.25	Solana Sierra - Elsa Jacquemot	0:2 ✺
17.08.25	Sonay Kartal - Solana Sierra	1:2 ✺
WTA Cincinnati
08.08.25	Iva Jovic - Solana Sierra	2:0 ✺
06.08.25	Solana Sierra - Emina Bektas	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.3 LLWLL

Arianne Hartono - Solana Sierra: Predictions, Live Scores & TV Guide