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Marta Kostyuk

Rank: 11Elo: 2112Age: 24

0 - 0

No Meetings

Sloane Stephens

Elo: 1505Age: 33

Upcoming match

Tue, Aug 18, 2026 · 2:00 PM UTC

Cincinnati Open

3rd Round

1000HardCourt Pace 42.6Fast

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Match Prediction

Marta

Kostyuk

Overall: 2112

Hard: 2001

Sloane

Stephens

Overall: 1505

Hard: 1394

String Tension Elo Prediction:

97.1%

2.9%

Implied Odds:

Kostyuk: -3292

ELO Comparison

Prior Meetings

No Prior Meetings

These players have never faced each other at tour level.

Recent Matches

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Detailed Stats Comparison

2026 Season Stats

Marta Kostyuk

Sloane Stephens

Marta Kostyuk

Season Comparison

Sloane Stephens

30-7

6-10

81%

38%

Serve Statistics

3.5

Aces/Match

1.1

4.0

Double Faults/Match

2.3

57%

1st Serve %

65%

71%

1st Serve Won %

57%

48%

2nd Serve Won %

46%

Return Statistics

49%

Return Points Won %

39%

4.6/9.7 (48%)

Break Point Offense

2.6/5.6 (46%)

4.3/6.9 (63%)

Break Point Defense

4.8/8.6 (55%)

Note: Season stats are from the 2026 season.