Match Info

WTA - SINGLES: US Open - Qualification, hard - Quarter-finals

Date: 18 August 2025, Monday

Location: USTA Billie Jean King NTC (New York, NY)


	Kayla Day		Ena Shibahara

	1	2
	2.1	1.67
	2.15	1.65
	2.14	1.68
	2.08	1.77
	2.13	1.68	Watch
	2.1	1.67
			Watch
Avarage Now (Initially)	2.12 ↓ (3)	1.69 ↑ (1.36)

The best margin for this event is 4.6%, offered by

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Current Win Probability

Kayla Day
44.3%

Ena Shibahara
55.7%

Initial Probability

(when we started the analysis)

31.2%

68.8%

Our Initial ML Estimation

30.4%

69.6%

Analysis of Changes in Winning Probabilities:

Kayla Day has improved its chances compared to the initial analysis. (+13.1%)

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

Ena Shibahara has seen a decrease in its chances compared to the initial analysis. (-13.1%)

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

ML Model estimates a lower probability for Kayla Day than the current prediction. (-13.9%)

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

ML Model estimates a higher probability for Ena Shibahara than the current prediction. (+13.9%)

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

Who will win by Users?

1	X	2
95%	0%	5%

Kayla Day - Ena Shibahara Predictions

Users Predictions: 20 users predict this event. Day will win (votes: 19 - 95%). Shibahara will win (votes: 1 - 5%).
Confidence interval (95%) for Day: 85.4% – 100%.

Verified Performance Core (Selected Experts): Kayla Day will win (9 of 9 users predict this - 100%) 🥇 Gold Tip.

Expected Score (Market Odds): 0:2

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Preview

Day is ranked WTA: 516. Shibahara is ranked WTA: 124.

Day has shown excellent form with a series of wins in recent matches (last 5 games: 5 wins).

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

Day may face physical challenges compared to their opponent, as they have played more matches in recent days.

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

We predict that Day will win today's game, with odds of 2.76.

Recently, there has been no match between the players.

Form

✺ - easy match; ✺ - difficult match;

- Kayla Day
ITF Tournaments
10.08.25	Ana Sofia Sanchez - Kayla Day	0:2 ✺
09.08.25	Kayla Day - Malaika Rapolu	2:0 ✺
08.08.25	Kayla Day - Xiaodi You	2:1 ✺
07.08.25	Kayla Day - Ashley Lahey	2:0 ✺
06.08.25	Madison Sieg - Kayla Day	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 10.9 WWWWW
- Ena Shibahara
WTA Cincinnati
05.08.25	Eri Hozumi - Ena Shibahara	2:1 ✺
ATP Challenger
08.07.25	Haley Giavara - Ena Shibahara	2:1 ✺
WTA Wimbledon
26.06.25	Linda Fruhvirtova - Ena Shibahara	2:0 ✺
25.06.25	Marina Bassols Ribera - Ena Shibahara	1:2 ✺
24.06.25	Stefanie Voegele - Ena Shibahara	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 3.5 LLLWW

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