2019 Argentina Open
The 2019 Argentina Open was a men's tennis tournament played on outdoor clay courts. It was the 22nd edition of the ATP Buenos Aires event, and part of the ATP World Tour 250 series of the 2019 ATP Tour. It took place in Buenos Aires, Argentina, from February 11 through 17, 2019.Seeds
- 1 Rankings are as of February 4, 2019.
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
;Before the tournament
Seeds
- 1 Rankings are as of February 4, 2019.
Other entrants
The following pairs received wildcards into the doubles main draw:
Singles
