| 1990 Chevrolet Classic | |
|---|---|
| Date | 5–12 February |
| Edition | 5th |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $125,000 |
| Surface | Hard / outdoor |
| Location | Guarujá, Brazil |
| Venue | Hotel Jequitimar |
| Champions | |
| Singles | |
 Martín Jaite[1] | |
| Doubles | |
| Javier Frana / Gustavo Luza[2] | |
The 1990 Chevrolet Classic, also known as the Guarujá Open, was a men's tennis tournament held in Guarujá in Brazil and played on hardcourt. It was part of the World Series of the 1990 ATP Tour. It was the fifth edition of the tournament and took place from 5 February through 12 February 1990. Second-seeded Martín Jaite won the singles title.
