2019 Argentina Open – Singles
| Singles | |
|---|---|
| 2019 Argentina Open | |
| Champion | Marco Cecchinato |
| Runner-up | Diego Schwartzman |
| Score | 6–1, 6–2 |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Dominic Thiem was the defending champion, but lost to Diego Schwartzman in the semifinals.
Marco Cecchinato won the title, defeating Schwartzman in the final, 6–1, 6–2.