1985 Nabisco Grand Prix de Verano – Singles

Martín Jaite defeated Diego Pérez 6–4, 6–2 to win the 1985 Buenos Aires Grand Prix singles competition. Guillermo Vilas was the champion but did not defend his title.

Seeds

 * 1)  Diego Pérez (final)
 * 2) 🇦🇷 Alejandro Ganzábal (first round)
 * 3) 🇦🇷 Martín Jaite (champion)
 * 4)  Hans Gildemeister (first round)
 * 5) 🇦🇷 Horacio de la Peña (semifinals)
 * 6) 🇺🇸 Jimmy Brown (semifinals)
 * 7) 🇦🇷 Eduardo Bengoechea (first round)
 * 8) 🇦🇷 Roberto Argüello (quarterfinals)