Match Info

CHALLENGER WOMEN - SINGLES: Guadalajara, hard - Quarter-finals

Date: 4 September 2025, Thursday 🏁 Finished

Location: Guadalajara 🌤️ ... 🔵 Hard


	Kayla Day		Emiliana Arango

	1	2
	2.5	1.5	Watch
	2.4	1.55
	2.42	1.5	Watch
	2.44	1.58
	2.48	1.51	Watch
	2.36	1.55	Watch
Avarage Now (Initially)	2.43 ↑ (2.12)	1.53 ↓ (1.63)

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

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Current Win Probability

Kayla Day
38.6%

Emiliana Arango
61.4%

Initial Probability (when we started the analysis)

43.5%

56.5%

Our Initial ML Estimation

45.7%

54.3%

Analysis of Changes in Winning Probabilities:

Kayla Day has seen a decrease in its chances compared to the initial analysis. (-4.9%)

Emiliana Arango has improved its chances compared to the initial analysis. (+4.9%)

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

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

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

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

Who will win by Users?

1	X	2
100%	0%	0%

Kayla Day - Emiliana Arango Predictions

Expected Score (Market Odds): 0:2

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Preview

Day is ranked WTA: 418. Arango is ranked WTA: 84.

Day is undoubtedly in great shape (last 5 games: 4 wins).

Arango has been unpredictable lately (in the last 5 games, wins – 2).

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

In the last 1 head-to-head match, Day won 0 matches, drew 0 matches, lost 1 match, and goals 1:2.

Form

✺ - easy match; ✺ - difficult match;

- Kayla Day
ATP Challenger
03.09.25	Ana Sofia Sanchez - Kayla Day	0:2 ✺
WTA Guadalajara
01.09.25	Kayla Day - Emina Bektas	2:1 ✺
WTA US Open
18.08.25	Kayla Day - Ena Shibahara	0:2 ✺
ITF Tournaments
10.08.25	Ana Sofia Sanchez - Kayla Day	0:2 ✺
09.08.25	Kayla Day - Malaika Rapolu	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 10.1 WWLWW
- Emiliana Arango
ATP Challenger
03.09.25	Elena Pridankina - Emiliana Arango	0:2 ✺
WTA Guadalajara
02.09.25	Lucrezia Stefanini - Emiliana Arango	0:2 ✺
WTA US Open
26.08.25	Emiliana Arango - Iga Swiatek	0:2 ✺
WTA Cincinnati
08.08.25	Xin Yu Wang - Emiliana Arango	2:0 ✺
WTA Montreal
28.07.25	Eugenie Bouchard - Emiliana Arango	2:1 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.1 WWLLL

Latest Head to Head

WTA Miami
17.03.24	Kayla Day - Emiliana Arango	1:2

Kayla Day - Emiliana Arango