Match Info
WTA - SINGLES: Toronto, hard - 1/32-finalsDate: 4 August 2026, Tuesday
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Marta Kostyuk |
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Katherine Sebov |
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- The most likely Over/Under: 17.50
- The best margin for this event is 2.1%, offered by

#Advertisement. For Live Stream GEO restrictions apply. Funded account required. GamblingTherapy.org. 18+ Current Win Probability
Marta Kostyuk 92.3% | Katherine Sebov 7.7% |
Initial Probability
(when we started the analysis)
Analysis of Changes in Winning Probabilities:
Marta Kostyuk has improved its chances compared to the initial analysis. (+1.9%)Katherine Sebov has seen a decrease in its chances compared to the initial analysis. (-1.9%)Marta Kostyuk - Katherine Sebov Predictions
Expected Score (Market Odds): 2:0 
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Preview
Kostyuk is ranked WTA: 11. Sebov is ranked WTA: 231.Kostyuk is in very good shape right now (last 5 games: 4 wins).Sebov has been unpredictable lately (in the last 5 games, wins – 3).Sebov may face physical challenges compared to their opponent, as they have played more matches in recent days. In this match, Kostyuk is the undisputed favorite.In the last 2 head-to-head matches, Kostyuk won 2 matches, drew 0 matches, lost 0 matches, and goals 4:0. (average 2:0).
Form
✺ - easy match;
✺ - difficult match;
Latest Head to Head
| WTA Chicago | | | 22.08.21 | Marta Kostyuk - Katherine Sebov | 2:0 |
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