ATP - Washington D.C. 2R start

First round completed and second round commenced in Washington D.C.

2021 Citi Open - an ATP 500 tournament, on Hard, in Washington D.C., USA, 31 July - 8 August 2021.

Event not held last year due to COVID-19

Defending champion (2019):

Nick Kyrgios who defeated Daniil Medvedev (3) 7-6(6) 7-6(4)

First round results:

- Tennys Sandgren defeated James Duckworth 6-3 2-6 6-2

- Mackenzie McDonald defeated Nick Kyrgios 6-4 6-4

- Denis Kudla defeated wildcard Feliciano Lopez 6-3 6-7(5) 6-3

- Wildcard Brandon Nakashima defeated Alexei Popyrin 6-3 6-3

- Emil Ruusuvuori defeated qualifier Prajnesh Gunneswaran 2-6 6-1 6-1

- Steve Johnson defeated qualifier Ramkumar Ramanathan 6-3 7-6(0)

- Qualifier Elias Ymer defeated Jordan Thompson 3-6 7-5 6-3

Second round results:

- Felix Auger-Aliassime (2) defeated Andreas Seppi 2-6 6-2 6-2

- Wildcard Jenson Brooksby defeated Frances Tiafoe (16) 7-6(4) 7-5

- Sebastian Korda (12) defeated Vasek Pospisil 7-5 6-4

- Cameron Norrie (7) defeated Marcos Giron 6-4 6-3

- Ricardas Berankis defeated Miomir Kecmanovic (15) 6-3 6-2