Match Info

WTA - SINGLES: US Open, hard - 1/64-finals

Date: 26 August 2025, Tuesday 🏁 Finished

Location: Grandstand (New York, NY) 🌤️ ... 🔵 Hard

Where to Watch on TV:

Country	Kick-Off	TV Channels
Australia	01:05	Stan Sport
Belgium	17:05	HBO Max, HBO Max
Bosnia And Herzegovina	17:05	HBO Max
Brazil	12:05	ESPN 2
Bulgaria	18:05	Eurosport 2, HBO Max
Croatia	17:05	HBO Max
Czech Republic	17:05	Eurosport 1, Eurosport 2, HBO Max
Denmark	17:05	Eurosport 1, Eurosport 2, HBO Max
Finland	18:05	Eurosport 1, Eurosport 2, HBO Max
France	17:05	Eurosport 1, Eurosport 2, HBO Max
Germany	17:05	Eurosport 1, Eurosport 2, Sky Sport Top Event
Hungary	17:05	Eurosport 1, Eurosport 2, HBO Max
Italy	17:05	Eurosport 2
Moldova	18:05	HBO Max
Montenegro	17:05	HBO Max
Netherlands	17:05	HBO Max
North Macedonia	17:05	HBO Max
Norway	17:05	Eurosport 1, Eurosport 2, HBO Max
Poland	17:05	Eurosport 1, Eurosport 2, HBO Max
Portugal	16:05	Eurosport 1, Eurosport 2
Romania	18:05	Eurosport 1, Eurosport 2, HBO Max
Serbia	17:05	HBO Max
Slovenia	17:05	HBO Max
Spain	17:05	Eurosport 1, Eurosport 2, HBO Max
Sweden	17:05	Eurosport 1, Eurosport 2, HBO Max
Turkey	18:05	Eurosport 1, Eurosport 2
United Kingdom	16:05	Sky Sports Main Event, Sky Sports+


	Katie Boulter		Marta Kostyuk

	1	2
	2.63	1.5	Watch
	2.54	1.5
	2.46	1.52	Watch
	2.58	1.55
	2.68	1.46	Watch
	2.6	1.5
	2.63	1.5	Watch
Avarage Now (Initially)	2.59 ↓ (3.03)	1.5 ↑ (1.42)

The best margin for this event is 3.3%, offered by

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Current Win Probability

Katie Boulter
36.8%

Marta Kostyuk
63.2%

Initial Probability (when we started the analysis)

31.8%

68.2%

Our Initial ML Estimation

32.3%

67.7%

Analysis of Changes in Winning Probabilities:

Katie Boulter has improved its chances compared to the initial analysis. (+5%)

Marta Kostyuk has seen a decrease in its chances compared to the initial analysis. (-5%)

ML Model estimates a lower probability for Katie Boulter than the current prediction. (-4.5%)

ML Model estimates a higher probability for Marta Kostyuk than the current prediction. (+4.5%)

Who will win by Users?

1	X	2
33.3%	0%	66.7%

Katie Boulter - Marta Kostyuk Predictions

Users Predictions: 14 users predict this event. Boulter will win (votes: 5 - 35.7%). Kostyuk will win (votes: 9 - 64.3%).
Confidence interval (95%) for Kostyuk: 39.2% – 89.4%.

Over/Under & Asian Handicap Predictions by Selected Experts:

AH +1.5 Sets - Boulter (1.62) (votes: 1 - 100%) .

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

Expected Score (Market Odds): 0:2

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Preview

Boulter is ranked WTA: 48. Kostyuk is ranked WTA: 27.

Recent form of Boulter has been disappointing (last 5 games: 1 wins).

Kostyuk is currently in excellent shape (in the last 5 games, wins – 4).

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

Kostyuk could have a small edge in this match.

We predict that Kostyuk will win today's game, with odds of 1.44.

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

Form

✺ - easy match; ✺ - difficult match;

- Katie Boulter
WTA Cleveland
21.08.25	Katie Boulter - Viktorija Golubic	1:2 ✺
18.08.25	Katie Boulter - Yue Yuan	2:0 ✺
WTA Cincinnati
07.08.25	Olga Danilovic - Katie Boulter	2:0 ✺
WTA Montreal
28.07.25	Katie Boulter - Renata Zarazua	0:2 ✺
WTA Washington
21.07.25	Maria Sakkari - Katie Boulter	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 2.7 LWLLL
- Marta Kostyuk
WTA Cincinnati
11.08.25	Iga Swiatek - Marta Kostyuk	Swiatek I. walkover ✺
09.08.25	Tatjana Maria - Marta Kostyuk	0:2 ✺
WTA Montreal
04.08.25	Marta Kostyuk - Elena Rybakina	Kostyuk M. retired ✺
02.08.25	McCartney Kessler - Marta Kostyuk	1:2 ✺
31.07.25	Marta Kostyuk - Darya Kasatkina	2:1 ✺
Form Coefficient (based on results and difficulties of last matches) - 16 ?W?WW

Latest Head to Head

WTA San Diego
03.03.24	Marta Kostyuk - Katie Boulter	1:2

Katie Boulter - Marta Kostyuk