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Cincinnati • Round of 32 • Hard • PLAYED Aug 18, 2026

Marta Kostyuk vs Sloane Stephens: Result & Final Score

Marta Kostyuk Marta Kostyuk World No. 10 · Ukraine Ukraine
Sloane Stephens Sloane Stephens World No. 136 · USA USA
FINAL · Kostyuk 7-5 7-5
Final Aug 18, 2026 final score
Marta Kostyuk Marta Kostyuk (winner) 77
Sloane Stephens Sloane Stephens 55

Match Summary

How the match was won, set by set – the better number on each line is marked.

Marta Kostyuk beat Sloane Stephens 7-5 7-5: 7 aces, 6 of 9 break points, 55% of all points.

Match
Marta Kostyuk Marta Kostyuk Statistic Sloane Stephens Sloane Stephens
7 Aces 0
7 Double Faults 2
52% 1st serve percentage 62%
25/34 74% 1st serve points won 22/41 54%
15/32 47% 2nd serve points won 11/25 44%
6/9 67% Break Points Converted 4/9 44%
5/9 56% Break Points Saved 3/9 33%
40/66 61% Service Points Won 33/66 50%
19/41 46% 1st return points won 9/34 26%
14/25 56% 2nd return points won 17/32 53%
33/66 50% Return Points Won 26/66 39%
73/132 55% Total Points Won 59/132 45%
8/12 67% Service games won 6/12 50%
6/12 50% Return games won 4/12 33%
14/24 58% Total games won 10/24 42%
Set 1
Marta Kostyuk Marta Kostyuk Statistic Sloane Stephens Sloane Stephens
4 Aces 0
3 Double Faults 1
55% 1st serve percentage 63%
15/17 88% 1st serve points won 13/22 59%
7/14 50% 2nd serve points won 6/13 46%
2/2 100% Break Points Converted 1/2 50%
1/2 50% Break Points Saved 0/2 0%
22/31 71% Service Points Won 19/35 54%
9/22 41% 1st return points won 2/17 12%
7/13 54% 2nd return points won 7/14 50%
16/35 46% Return Points Won 9/31 29%
38/66 58% Total Points Won 28/66 42%
5/6 83% Service games won 4/6 67%
2/6 33% Return games won 1/6 17%
7/12 58% Total games won 5/12 42%
Set 2
Marta Kostyuk Marta Kostyuk Statistic Sloane Stephens Sloane Stephens
3 Aces 0
4 Double Faults 1
49% 1st serve percentage 61%
10/17 59% 1st serve points won 9/19 47%
8/18 44% 2nd serve points won 5/12 42%
4/7 57% Break Points Converted 3/7 43%
4/7 57% Break Points Saved 3/7 43%
18/35 51% Service Points Won 14/31 45%
10/19 53% 1st return points won 7/17 41%
7/12 58% 2nd return points won 10/18 56%
17/31 55% Return Points Won 17/35 49%
35/66 53% Total Points Won 31/66 47%
3/6 50% Service games won 2/6 33%
4/6 67% Return games won 3/6 50%
7/12 58% Total games won 5/12 42%

Players

Ranking, season record, form and the basics side by side.

Players side by side
Marta Kostyuk Marta Kostyuk Fact Sloane Stephens Sloane Stephens
No. 10 Current ranking No. 136
4,040 Ranking points 551
36–9 2026 record 16–18
LWWLW Last 5 matches WWLWW
24 Age 33
175 cm Height 170 cm
Ukraine Ukraine Country USA USA
2016 Turned pro 2008

Past Match-ups

Their most recent completed meetings, latest first.

Head-to-head record not fetched yet.

News & Insights

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