2021 Córdoba Open

The 2021 Córdoba Open was a men's tennis tournament played on outdoor clay courts. It was the third edition of the Córdoba Open, and part of the ATP Tour 250 series of the 2021 ATP Tour. It took place at the Estadio Mario Alberto Kempes in Córdoba, Argentina, from 20 February until 28 February 2021.

Singles

 * 🇦🇷 Juan Manuel Cerúndolo defeated 🇪🇸 Albert Ramos Viñolas, 6–0, 2–6, 6–2.

Doubles

 * 🇧🇷 Rafael Matos / 🇧🇷 Felipe Meligeni Alves defeated Romain Arneodo / 🇫🇷 Benoît Paire, 6–4, 6–1.

Seeds

 * 1 Rankings are as of February 8, 2021

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇷 Francisco Cerúndolo
 * Nicolás Jarry
 * 🇦🇷 Nicolás Kicker

The following players received entry from the qualifying draw:
 * 🇦🇷 Facundo Bagnis
 * Marcelo Tomás Barrios Vera
 * 🇦🇷 Juan Manuel Cerúndolo
 * 🇦🇷 Tomás Martín Etcheverry

The following player received entry as a lucky loser:
 * 🇧🇷 João Menezes

Withdrawals

 * Before the tournament
 * 🇪🇸 Pablo Andújar → replaced by 🇧🇷 Thiago Seyboth Wild
 * 🇮🇹 Salvatore Caruso → replaced by 🇸🇰 Andrej Martin
 * Pablo Cuevas → replaced by 🇸🇰 Jozef Kovalík
 * 🇷🇸 Laslo Đere → replaced by 🇧🇴 Hugo Dellien
 * 🇪🇸 Pedro Martínez → replaced by 🇨🇴 Daniel Elahi Galán
 * 🇦🇷 Guido Pella → replaced by 🇧🇷 João Menezes

Seeds

 * 1 Rankings are as of January 25, 2021

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇦🇷 Facundo Bagnis / 🇦🇷 Máximo González
 * 🇦🇹 Oliver Marach / 🇦🇷 Agustín Velotti

Withdrawals

 * Before the tournament
 * 🇮🇹 Marco Cecchinato / 🇦🇷 Guido Pella → replaced by 🇧🇷 Thiago Monteiro / 🇧🇷 Fernando Romboli
 * 🇮🇹 Salvatore Caruso / 🇦🇷 Máximo González → replaced by 🇦🇷 Federico Delbonis / 🇦🇷 Juan Ignacio Londero
 * 🇪🇸 Pablo Andújar / 🇪🇸 Pedro Martínez → replaced by 🇦🇷 Federico Coria / 🇧🇴 Hugo Dellien
 * Pablo Cuevas / 🇦🇹 Oliver Marach → replaced by 🇧🇷 Rafael Matos / 🇧🇷 Felipe Meligeni Alves