The 1975 South American Open also valid as the ATP Buenos Aires was a men's Grand Prix tennis circuit tournament played on outdoor clay courts in Buenos Aires, Argentina. The event was part of the 1975 Grand Prix circuit and was held from 10 November through 16 November 1975. First-seeded Guillermo Vilas won the singles title.[1]
See main article: 1975 ATP Buenos Aires – Singles. Guillermo Vilas defeated Adriano Panatta 6–1, 6–4, 6–4
Paolo Bertolucci / Adriano Panatta defeated Jürgen Fassbender / Hans-Jürgen Pohmann 3–6, 6–1, 8–6