Daniil Medvedev, Andy Murray and Nick Kyrgios are among the ATP stars who will compete at the ATP 500 in Washington, D.C, from 31 July - 6 August.
Medvedev will make his fourth appearance, with his best result a run to the final in 2019, while Murray reached the title match on debut in 2006. Australian Kyrgios is the defending champion, having also triumphed at the hard-court event in 2019.
Americans Taylor Fritz and Frances Tiafoe will carry home hopes in Washington, D.C. Both have won tour-level titles in the United States this year, with Fritz triumphing in Delray Beach and Tiafoe in Houston.
The 2016 champion Gael Monfils, four-time tour-level champion Felix Auger-Aliassime and 2017 Nitto ATP Finals champion Grigor Dimitrov will also be in action.
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