Marta Kostyuk defeated Sloane Stephens 7-5 7-5 in the 2026 Cincinnati Open third round on hard courts on August 18, 2026.
Match Statistics
| Stat | Marta Kostyuk | Sloane Stephens |
|---|
| Aces | 7 | 0 |
|---|
| Double faults | 7 | 2 |
|---|
| First serve % | 52 | 62 |
|---|
| First serve points won % | 74 | 55 |
|---|
| Second serve points won % | 47 | 42 |
|---|
| Break points saved % | 56 | 38 |
|---|
| Break points converted % | 62 | 44 |
|---|
| Service points won % | 61 | 50 |
|---|
| Return points won % | 50 | 39 |
|---|
| Total points won % | 55 | 45 |
|---|
| Serve rating | 106 | 95 |
|---|
| Return rating | 110 | 82 |
|---|
Win Probability
How the market's view of each player's chances changed through the match.
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Pre-match Comparison
| Field | Marta Kostyuk | Sloane Stephens |
|---|
| Country |
UKR
|
USA
|
|---|
| Birth date | Jun 28, 2002 | Mar 20, 1993 |
|---|
| Age | 24 | 33 |
|---|
| Height | 175 | 170 |
|---|
| Handedness | Right-Handed | Right-Handed |
|---|
| Backhand style | Two-Handed Backhand | Two-Handed Backhand |
|---|
| Ranking (entering) | 11 | 240 |
|---|
| Ranking points (entering) | 3,830 | 310 |
|---|
| Elo (entering) | 2,087 | 1,697 |
|---|
| Career W-L | 158–116 | 302–248 |
|---|
| Career earnings | $10,445,729 | $19,383,094 |
|---|
Path
Marta Kostyuk's path
Marta Kostyuk's next match