U.S. Open 2016 Day 1

A collection of the best moments from Day 1 on Monday at the 2016 U.S. Open in New York.

U.S. Open 2016 Day 1

Petra Kvitova

Andy Lyons/Getty Images

Richard Gasquet

Joe Scarnici/Getty Images

Kyle Edmund

Joe Scarnici/Getty Images

Roberta Vinci

Elsa/Getty Images

Angelique Kerber

Elsa/Getty Images

Taylor Townsend, Caroline Wozniacki

Alex Goodlett/Getty Images

Angelique Kerber

Michael Reaves/Getty Images

KENA BETANCUR/AFP/Getty Images

Caroline Wozniacki

Alex Goodlett/Getty Images

Svetlana Kuznetsova

JEWEL SAMAD/AFP/Getty Images

Rafael Nadal

Elsa/Getty Images

Cagla Buyukakcay

Volkan Furuncu/Anadolu Agency/Getty Images

Marin Cilic

Andy Lyons/Getty Images

Taylor Townsend

Alex Goodlett/Getty Images

Garbine Muguruza

JEWEL SAMAD/AFP/Getty Images

Shelby Rogers

Andy Lyons/Getty Images

Elise Mertens

JEWEL SAMAD/AFP/Getty Images

Gael Monfils

Andy Lyons/Getty Images

John Isner

Alex Goodlett/Getty Images

Frances Tiafoe

Alex Goodlett/Getty Images