Match Info

WTA - SINGLES: Cincinnati, hard - Quarter-finals

Date: 21 August 2026, Friday


	Cori Gauff		Marta Kostyuk

	1	2
	1.67	2.20	Watch
	1.70	2.18
	1.66	2.23
	1.75	2.23
	1.69	2.22	Watch
	1.60	2.25
	1.78	2.07	Watch
	1.65	2.20
Avarage Now (Initially)	1.69 ↑ (1.67)	2.2 ↓ (2.2)

The most likely Over/Under: 22.00

The best margin for this event is 2%, offered by

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Current Win Probability

Cori Gauff
56.6%

Marta Kostyuk
43.4%

Initial Probability

(when we started the analysis)

56.9%

43.1%

Our Initial ML Estimation

60.1%

39.9%

Analysis of Changes in Winning Probabilities:

Cori Gauff has seen a decrease in its chances compared to the initial analysis. (-0.3%)

Marta Kostyuk has improved its chances compared to the initial analysis. (+0.3%)

ML Model estimates a higher probability for Cori Gauff than the current prediction. (+3.5%)

ML Model estimates a lower probability for Marta Kostyuk than the current prediction. (-3.5%)

Cori Gauff - Marta Kostyuk Predictions

Over/Under & Asian Handicap Predictions by Selected Experts:

O/U 21.5 Games - over (1.77) (votes: 1 - 100%) .

Expected Score (Market Odds): 2:0

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Preview

Gauff is ranked WTA: 4. Kostyuk is ranked WTA: 11.

Gauff has had mixed results lately (last 5 games: 3 wins).

Kostyuk is in very good shape now (in the last 5 games, wins – 4).

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

In this match, both players have almost equal chances to win.

In the last 5 head-to-head matches, Gauff won 3 matches, drew 0 matches, lost 2 matches, and goals 7:6. (average 1.4:1.2).

Form

✺ - easy match; ✺ - difficult match;

- Cori Gauff
WTA Cincinnati
19.08.26	Cori Gauff - Marie Bouzkova	2:0 ✺
18.08.26	Cori Gauff - Ann Li	2:0 ✺
16.08.26	Cori Gauff - Ludmilla Samsonova	2:1 ✺
WTA Toronto
12.08.26	Cori Gauff - Elena Rybakina	1:2 ✺
11.08.26	Belinda Bencic - Cori Gauff	Gauff C. Walkover ✺
Form Coefficient (based on results and difficulties of last matches) - 4.7 WWWL?
- Marta Kostyuk
WTA Cincinnati
19.08.26	Marta Kostyuk - Mirra Andreeva	2:1 ✺
18.08.26	Marta Kostyuk - Sloane Stephens	2:0 ✺
16.08.26	Marta Kostyuk - Sofia Kenin	2:1 ✺
WTA Toronto
08.08.26	Marta Kostyuk - Iga Swiatek	1:2 ✺
06.08.26	Marta Kostyuk - Madison Keys	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.9 WWWLW

Latest Head to Head

WTA Doha
11.02.25	Cori Gauff - Marta Kostyuk	0:2
WTA Wuhan
09.10.24	Cori Gauff - Marta Kostyuk	2:0
WTA Stuttgart
19.04.24	Marta Kostyuk - Cori Gauff	2:1
WTA Australian Open
22.01.24	Marta Kostyuk - Cori Gauff	1:2
WTA Adelaide 2
12.01.22	Marta Kostyuk - Cori Gauff	1:2

Cori Gauff - Marta Kostyuk: Predictions, Live Scores & TV Guide