U.S. Open 2016 Day 4 photos

A collection of the best moments from Day 4 on Thursday at the 2016 U.S. Open in New York.

U.S. Open 2016 Day 4 photos

Lucie Safarova

Lucie Safarova, Simona Halep

Andy Murray

Karolina Pliskova

Karen Khachanov

Dominic Thiem

Kurumi Nara

Andy Murray

Kei Nishikori

Joao Sousa

Feliciano Lopez

Venus Williams

Venus Williams

Kei Nishikori

Katerina Siniakova

Agnieszka Radwanska

Anastasia Pavlyuchenkova