U.S. Open 2016 Day 5 photos

A collection of the best moments from Day 5 on Thursday at the 2016 U.S. Open in New York.

U.S. Open 2016 Day 5 photos

Roberta Vinci

Al Bello/Getty Images

Roberta Vinci

Al Bello/Getty Images

Dominika Cibulkova

KENA BETANCUR/AFP/Getty Images

Dominika Cibulkova

KENA BETANCUR/AFP/Getty Images

Madison Keys

JEWEL SAMAD/AFP/Getty Images

Lesia Tsurenko

KENA BETANCUR/AFP/Getty Images

Naomi Osaka

TIMOTHY A. CLARY/AFP/Getty Images

Madison Keys

TIMOTHY A. CLARY/AFP/Getty Images

Caroline Wozniacki

Mike Stobe/Getty Images for USTA

Mike Stobe/Getty Images for USTA

Caroline Wozniacki

Mike Stobe/Getty Images for USTA

Jo-Wilfried Tsonga

Andy Lyons/Getty Images

Dominika Cibulkova

Andy Lyons/Getty Images

Monica Niculescu

Elsa/Getty Images

Caroline Wozniacki

Elsa/Getty Images

Anastasija Sevastova

Alex Goodlett/Getty Images

Kateryna Bondarenko

Alex Goodlett/Getty Images

Andy Lyons

Andy Lyons/Getty Images

Jo-Wilfried Tsonga

Andy Lyons/Getty Images

Jo-Wilfried Tsonga

Andy Lyons/Getty Images

Elsa/Getty Images

Marcos Baghdatis

Alex Goodlett/Getty Images

Jack Sock

Al Bello/Getty Images

Dominika Cibulkova

KENA BETANCUR/AFP/Getty Images

Jack Sock

Al Bello/Getty Images

Jack Sock

Al Bello/Getty Images

Johanna Konta

Mike Hewitt/Getty Images

Ryan Harrison

Alex Goodlett/Getty Images

Elsa/Getty Images

Elsa/Getty Images

Alex Goodlett/Getty Images

Gael Monfils

Mike Hewitt/Getty Images

Petra Kvitova

JEWEL SAMAD/AFP/Getty Images

Petra Kvitova

JEWEL SAMAD/AFP/Getty Images

Novak Djokovic

Alex Goodlett/Getty Images