Marta Kostyuk def. Zeynep Sonmez — Round of 64, US Open 2025

🇺🇸
US Open 2025

Grand SlamHardNew York, USA

Played28 Aug 2025

Rounds
  1. R128
  2. R64
  3. R32
  4. R16
  5. QF
  6. Semifinal
  7. Final

🇺🇦ranked WTA number 29 going into this drawWon

Marta Kostyuk seeded 27 7 65 6

🇹🇷ranked WTA number 79 going into this draw

Zeynep Sonmez 5 7 3

What this match is worth

Points earned

Kostyuk +130Sonmez +70

Head to head

2-0Kostyuk

What decided it

  • Kostyuk broke 7 times from 14 chances, Sonmez 4 from 16
  • Kostyuk won 41% behind her second serve, Sonmez 53%
  • The second set went to a tiebreak, Sonmez took it 7–5
  • 6 aces and 13 double faults from Kostyuk