ATP - Barcelona 1R start

First round commenced in Barcelona.

2021 Barcelona Open Banco Sabadell - an ATP 500 tournament, on Clay, in Barcelona, Spain, 19-25 April 2021.

Event not held last year due to COVID-19.

2019 champion (not defending):

Dominic Thiem (3) who defeated Daniil Medvedev (7) 6-4 6-0

Casper Ruud, 15th seed, withdrew after the main draw was published due to an arm injury, and was replaced by lucky loser Federico Gaio.

Adrian Mannarino was instated as 17th seed, moved into the spot previously occupied by Ruud in the draw, inheriting a first round bye.

First round results:

- Qualifier Ilya Ivashka defeated qualifier Tallon Griekspoor 6-3 6-1

- Kei Nishikori defeated Guido Pella 4-6 7-6(4) 6-2

- Cameron Norrie defeated Salvatore Caruso 6-1 6-2

- Pierre-Hughes Herbert defeated qualifier Sumit Nagal 7-5 6-0

- Qualifier Bernabe Zapata Miralles defeated qualifier Andrey Kuznetsov 6-7(4) 7-5 6-1

- Pablo Andujar defeated Gilles Simon 6-1 3-6 6-3

- Egor Gerasimov defeated Jo-Wilfried Tsonga 7-5 6-1

- Lucky loser Federico Gaio defeated Benoit Paire 7-5 6-3

- Jeremy Chardy defeated Nikoloz Basilashvili 6-4 3-6 6-3

- Wildcard Jaume Munar defeated Thiago Monteiro 6-3 7-5