Coco Gauff def. Zeynep Sonmez 6-3, 6-4 — US Open 2026 R128

Match recap

Coco Gauff defeated Zeynep Sonmez 6-3, 6-4 in the R128 of the US Open 2026.

A seventh straight win carries the Cincinnati champion into the second round at the US Open, and the return game did the carrying: Gauff converted 3 of 6 break points and won 62% of second-serve return points, breaking in game 6 for 4-2 and again in game 7 of the second set for 4-3. Sonmez matched her at 18 winners but paid 20 unforced errors to 12. Eighty-one minutes, and the No. 4 seed's hard-court year reads 23-6.

Match stats

Zeynep Sonmez: 0 aces, 18 winners, 50% first serves, 2 double faults, 1/5 break points. Coco Gauff: 5 aces, 18 winners, 62% first serves, 3 double faults, 3/6 break points.

Profiles: Zeynep Sonmez · Coco Gauff — US Open 2026

Head-to-head

This is the first meeting between Zeynep Sonmez and Coco Gauff.