Match Info

CHALLENGER WOMEN - SINGLES: Rio de Janeiro, clay - Semi-finals

Date: 18 October 2025, Saturday


	Simona Waltert		Julia Grabher

	1	2
	1.57	2.25	Watch
			Watch
	1.71	2.21
	1.54	2.38	Watch
	1.66	2.15	Watch
	1.84	1.85
Avarage Now (Initially)	1.66 ↓ (1.84)	2.17 ↑ (1.85)

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

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Current Win Probability

Simona Waltert
56.6%

Julia Grabher
43.4%

Initial Probability

(when we started the analysis)

50.1%

49.9%

Our Initial ML Estimation

52%

48%

Analysis of Changes in Winning Probabilities:

Simona Waltert has improved its chances compared to the initial analysis. (+6.5%)

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

Julia Grabher has seen a decrease in its chances compared to the initial analysis. (-6.5%)

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

ML Model estimates a lower probability for Simona Waltert than the current prediction. (-4.6%)

ML Model estimates a higher probability for Julia Grabher than the current prediction. (+4.6%)

Simona Waltert - Julia Grabher Predictions

Verified Performance Core (Selected Experts): 2 Selected Experts predict this event. Grabher (votes: 2 - 100%).

Expected Score (Market Odds): 2:0

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Preview

Waltert is ranked WTA: 97. Grabher is ranked WTA: 117.

Right now, both players are showing solid form.

Waltert is expected to have a slight advantage in this match.

In recent times, the players did not meet on the field.

Last Results with these Odds

Simona Waltert - the odds 1.84 are the expected chance of winning is 50.14%, but this team recently wins 57% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Simona Waltert
ATP Challenger
17.10.25	Simona Waltert - Tara Wurth	2:1 ✺
16.10.25	Simona Waltert - Miriana Tona	2:0 ✺
14.10.25	Simona Waltert - Luisina Giovannini	2:1 ✺
03.10.25	Simona Waltert - Lola Radivojevic	0:2 ✺
02.10.25	Simona Waltert - Tiphanie Lemaitre	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 5 WWWLW
- Julia Grabher
ATP Challenger
17.10.25	Julia Grabher - Sinja Kraus	2:1 ✺
16.10.25	Julia Grabher - Thaisa Grana Pedretti	2:0 ✺
14.10.25	Julia Grabher - Laura Pigossi	2:0 ✺
02.10.25	Lola Radivojevic - Julia Grabher	2:0 ✺
30.09.25	Deborah Chiesa - Julia Grabher	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 6.5 WWWLW

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