ATP - Cincinnati

The ATP tour continues in the USA.

2021 Western & Southern Open - an ATP Masters 1000 tournament, on Hard, in Cincinnati, Ohio, 16-22 August 2021.

Event held last year in New York City due to COVID-19

2020 champion (not defending):

Novak Djokovic (1) who defeated Milos Raonic 1-6 6-3 6-4

The following players withdrew after entering but before the main draw was published:

- Borna Coric replaced by Sebastian Korda 

- Novak Djokovic replaced by Jan-Lennard Struff 

- Roger Federer replaced by Federico Delbonis  

- Adrian Mannarino replaced by Miomir Kecmanović 

- Rafael Nadal replaced by Guido Pella 

- Kei Nishikori replaced by Laslo Djere 

- Milos Raonic replaced by Benoit Paire 

- Dominic Thiem replaced by John Millman 

- Stan Wawrinka replaced by Dusan Lajovic 

Daniil Medvedev, world number 2, is top seed.

The other 15 seeds are all in the top 20

The top eight seeds have first round byes.