Miami Open - ATP 1R complete

First round completed in Miami Open - ATP Masters 1000

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

Thiago Monteiro withdrew after the main draw was published due to an arm injury, and was replaced by lucky loser Damir Dzumhur.

First round results:

- Yasutaka Uchiyama defeated Salvatore Caruso 6-3 6-4

- Miomir Kecmanovic defeated qualifier Liam Broady 7-5 6-7(5) 6-1

- Mikhail Kukushkin defeated wildcard Jack Draper 7-5 (retired)

- Sebastian Korda defeated Radu Albot 6-3 6-0

- Marin Cilic defeated Federico Coria 6-3 2-6 6-4

- Lorenzo Musetti defeated wildcard Michael Mmoh 6-4 6-4

- Qualifier Thanasi Kokkinakis defeated qualifier Shintaro Mochizuki 6-3 6-3

- Tennys Sandgren defeated Pedro Martinez 6-4 2-0 (retired)

- Ilya Ivashka defeated Soonwoo Kwon 7-6(4) 6-7(4) 7-6(3)

- Denis Kudla defeated Jeremy Chardy 3-6 6-3 6-4

- Joao Sousa defeated Christopher O’Connell 7-6(6) 6-7(8) 7-5

- Jordan Thompson defeated Federico Delbonis 7-6(6) 6-4

- Daniel Elahi Galan defeated qualifier Thiago Seyboth Wild 6-3 6-4

- Qualifier Bjorn Fratangelo defeated Fernando Verdasco 6-4 6-4

- Aljaz Bedene defeated qualifier Thomas Fabbiano 7-6(5) 1-6 6-3

- Lucky loser Damir Dzumhur defeated Kevin Anderson 7-6(6) 7-5