Miami Open - ATP

The WTA Tour and ATP tours continue in Florida.

2021 Miami Open - an ATP Masters 1000 tournament, on Hard Outdoor, in Miami, Florida, USA, 22 March - 4 April 2021.

Event not held last year due to COVID-19.

2019 champion (not defending):

Roger Federer (4) who defeated John Isner (7) 6-1 6-4

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

- Pablo Andujar replaced by Federico Coria 

- Pablo Carreno Busta replaced by Joao Sousa  

- Matteo Berrettini replaced by Denis Kudla 

- Borna Coric replaced by Yannick Hanfmann 

- Pablo Cuevas replaced by Pedro Martinez 

- Alejandro Davidovich Fokina replaced by Mikael Ymer 

- Novak Djokovic replaced by Alexei Popyrin  

- Kyle Edmund replaced by James Duckworth 

- Roger Federer replaced by Marcos Giron 

- Richard Gasquet replaced by Yasutaka Uchiyama 

- Filip Krajinovic replaced by Ilya Ivashka 

- Nick Kyrgios replaced by Emil Ruusuvuori 

- John Millman replaced by Lorenzo Musetti 

- Gael Monfils replaced by Pierre-Hugues Herbert 

- Corentin Moutet replaced by Mikhail Kukushkin 

- Rafael Nadal replaced by Pedro Sousa 

- Guido Pella replaced by Lloyd Harris 

- Albert Ramos-Vinolas replaced by Daniel Elahi Galan 

- Casper Ruud replaced by Christopher O’Connell 

- Gilles Simon replaced by Soonwoo Kwon

- Dominic Thiem replaced by Federico Delbonis 

- Jo-Wilfried Tsonga replaced by Sebastian Korda 

- Stan Wawrinka replaced by Steve Johnson 

Daniil Medvedev, world number 2, is top seed.

The other 31 seeds are all in the top 44

The 32 seeds have first round byes.