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Marta Kostyuk

Rank: 10Elo: 2027Age: 24

2 - 0

Head-to-Head

Sloane Stephens

US flag
Rank: 136Elo: 1596Age: 33

Three rackets logoMatch Prediction

UA flag
Marta
Kostyuk

Overall: 2027

Hard: 1808

VS
US flag
Sloane
Stephens

Overall: 1596

Hard: 1472

String Tension Elo Prediction:

Kostyuk 89.2%

-830

Match History (2 Matches)

Showing 1 to 2 of 2 matches
U.S. OpenSep 2, 2026
2nd Round · Hard
UkraineM. Kostyuk
67
United StatesS. Stephens
15
Cincinnati OpenAug 18, 2026
3rd Round · Hard
UkraineM. Kostyuk
77
United StatesS. Stephens
55

Recent Matches

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Detailed Stats Comparison

Marta Kostyuk
vs
Sloane Stephens
35–10
78% win
9–13
41% win

Serve

4.0
Aces/Match
0.9
4.2
Double Faults/Match
2.2
57%
1st Serve %
67%
71%
1st Serve Won %
58%
48%
2nd Serve Won %
48%

Return

48%
Return Points Won %
40%
4.6/9.4 (49%)
Break Point Offense
2.7/6.0 (44%)
4.2/6.9 (61%)
Break Point Defense
4.6/8.3 (56%)

Season stats are from 2026.