1988 Buenos Aires Grand Prix
Date	7–14 November
Edition	20th
Category	Grand Prix
Draw	32S / 16D
Prize money	$93,400
Surface	Clay / outdoor
Location	Buenos Aires, Argentina
Champions
Singles
Javier Sánchez[1]
Doubles
Carlos Costa / Javier Sánchez[2]
← 1987 · Buenos Aires Grand Prix · 1992 →

The 1988 Copa Nabisco Royal Open, also known as the Buenos Aires Grand Prix, was a men's Grand Prix tennis men's tournament held in on outdoor clay courts in Buenos Aires, Argentina. It was the 20th edition of the tournament and was held from 7 November through 14 November 1988. Seventh-seeded Javier Sánchez won the singles title.

Finals

Singles

Javier Sánchez defeated Guillermo Pérez Roldán 6–2, 7–6

• It was Sánchez's 3rd title of the year and the 5th of his career.

Doubles

Carlos Costa / Javier Sánchez defeated Eduardo Bengoechea / José Luis Clerc 6–3, 3–6, 6–3

• It was Costa's only title of the year and the 1st of his career. It was Sánchez's 2nd title of the year and the 4th of his career.