Marta Kostyuk

Rank: 11Elo: 2027Age: 24

2 - 0

Head-to-Head

Zeynep Sonmez

Rank: 53Elo: 1615Age: 24

Match Prediction

Marta

Kostyuk

Overall: 2027

Hard: 1808

Zeynep

Sonmez

Overall: 1615

Hard: 1581

String Tension Elo Prediction:

Kostyuk 84.9%

-563

ELO Comparison

Match History (2 Matches)

Showing 1 to 2 of 2 matches

U.S. OpenAug 25, 2025

2nd Round · Hard

M. Kostyuk

76(5)6

Z. Sonmez

573

Qatar TotalEnergies Open - DohaFeb 10, 2025

1st Round · Hard

M. Kostyuk

Z. Sonmez

Date	Tournament	Winner	Score
Aug 25, 2025	U.S. Open\| 2nd Round Hard	Marta Kostyuk	76(5)6 573
Feb 10, 2025	Qatar TotalEnergies Open - Doha\| 1st Round Hard	Marta Kostyuk	66 33

Recent Matches

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Detailed Stats Comparison

2026 Season Stats

Marta Kostyuk

Zeynep Sonmez

Marta Kostyuk

Season

Zeynep Sonmez

35–10

78% win

19–20

49% win

Serve

4.0

Aces/Match

1.1

4.2

Double Faults/Match

2.9

57%

1st Serve %

62%

71%

1st Serve Won %

60%

48%

2nd Serve Won %

47%

Return

48%

Return Points Won %

45%

4.6/9.4 (49%)

Break Point Offense

4.1/9.2 (45%)

4.2/6.9 (61%)

Break Point Defense

4.8/9.0 (53%)

Season stats are from 2026.