1975 ATP Buenos Aires – Singles

Guillermo Vilas defeated Adriano Panatta 6–1, 6–4, 6–4 to win the 1975 ATP Buenos Aires singles competition. Vilas was the defending champion.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇦🇷 Guillermo Vilas '''(Champion)
 * 2) 🇮🇹 Adriano Panatta (Final)

Key

 * R – Retired
 * WO – Walkover
 * NB: All rounds up to but not including the semifinals were the best of 3 sets. The semifinals and final were the best of 5 sets.