All champions since 2012
Washington Open
By season

Sebastian KordaKorda

Daniel EvansEvans

Nick KyrgiosKyrgios

Jannik SinnerSinner

Nick KyrgiosKyrgios

Alexander ZverevA Zverev
2017

Alexander ZverevA Zverev
2016

Gaël MonfilsMonfils
2015

Kei NishikoriNishikori
2014

Milos RaonicRaonic
2013

Juan Martín del Potrodel Potro
2012

Alexandr DolgopolovDolgopolov
Most successful
2

Nick KyrgiosKyrgios
2022 2019
2

Alexander ZverevA Zverev
2018 2017
1

Sebastian KordaKorda
2024
1

Daniel EvansEvans
2023
1

Jannik SinnerSinner
2021
1

Gaël MonfilsMonfils
2016
1

Kei NishikoriNishikori
2015
1

Milos RaonicRaonic
2014
1

Juan Martín del Potrodel Potro
2013
1

Alexandr DolgopolovDolgopolov
2012