The 1971 ATP Buenos Aires, also known as the South American Open Championships, was a combined men's and women's tennis tournament played on outdoor clay courts and held in Buenos Aires, Argentina. The men's event was part of the 1971 Pepsi-Cola Grand Prix. The even was held from 25 November though 1 December 1971. Željko Franulović and Helga Masthoff won the singles titles.[1] [2]
See main article: 1971 South American Open – Men's singles. Željko Franulović defeated Ilie Năstase 6–3, 7–6, 6–1
Helga Masthoff defeated Heide Orth 6–4, 7–5
Željko Franulović / Ilie Năstase defeated Patricio Cornejo / Jaime Fillol Sr.
Helga Masthoff / Heide Orth defeated Ana María Pinto Bravo / Raquel Giscafré 6–0, 6–2