Tour · 1971-11-25 · draw of 32
Buenos Aires 1971
ClayFinal
| 🇭🇷 Zeljko Franulovic | d. | 🇷🇴 Ilie Nastase | 6-3 7-6 6-1 | H2H |
Semifinals
| 🇷🇴 Ilie Nastase | d. | 🇩🇰 Jan Leschly | 6-1 7-5 6-3 | H2H |
| 🇭🇷 Zeljko Franulovic | d. | 🇺🇸 Stan Smith | 2-6 7-6 6-1 6-3 | H2H |
Quarterfinals
| 🇺🇸 Stan Smith | d. | 🇦🇷 Roberto Aubone | 6-2 6-4 6-4 | H2H |
| 🇷🇴 Ilie Nastase | d. | 🇭🇺 Istvan Gulyas | 6-3 6-3 6-4 | H2H |
| 🇩🇰 Jan Leschly | d. | 🇺🇸 Cliff Richey | 6-1 4-6 6-3 6-2 | H2H |
| 🇭🇷 Zeljko Franulovic | d. | 🇺🇸 Frank Froehling | 6-7 7-6 7-6 6-4 | H2H |
Round of 16
| 🇺🇸 Stan Smith | d. | 🇲🇽 Joaquin Loyo-Mayo | 6-1 6-2 2-6 6-3 | H2H |
| 🇺🇸 Cliff Richey | d. | 🇦🇷 Guillermo Vilas | 3-6 6-4 4-6 7-6 6-2 | H2H |
| 🇷🇴 Ilie Nastase | d. | 🇨🇿 Milan Holecek | 3-6 7-6 6-3 6-0 | H2H |
| 🇩🇰 Jan Leschly | d. | 🇺🇸 Clark Graebner | 6-1 6-3 1-6 6-1 | H2H |
| 🇭🇺 Istvan Gulyas | d. | 🇺🇸 Tom Gorman | 2-6 6-2 6-0 6-2 | H2H |
| 🇺🇸 Frank Froehling | d. | 🇨🇱 Jaime Pinto-Bravo | 7-6 7-5 7-5 | H2H |
| 🇭🇷 Zeljko Franulovic | d. | 🇦🇷 Julian Ganzabal | 6-2 6-4 6-1 | H2H |
| 🇦🇷 Roberto Aubone | d. | 🇦🇷 Tomas Lynch | 4-6 0-6 7-5 6-3 7-5 | H2H |
Round of 32
| 🇦🇷 Guillermo Vilas | d. | 🇦🇷 Julio Van Kerckhoven | W/O | H2H |
| 🇺🇸 Stan Smith | d. | 🇦🇷 Ricardo Aubone | 6-2 6-0 6-1 | H2H |
| 🇺🇸 Cliff Richey | d. | 🇦🇷 Ricardo Cano | 6-0 6-2 6-4 | H2H |
| 🇨🇱 Jaime Pinto-Bravo | d. | 🇧🇷 Thomaz Koch | 6-1 6-4 6-3 | H2H |
| 🇷🇴 Ilie Nastase | d. | 🇦🇷 Oscar Escribano | 6-2 6-4 6-4 | H2H |
| 🇦🇷 Tomas Lynch | d. | Unknown Unknown3 | W/O | H2H |
| 🇲🇽 Joaquin Loyo-Mayo | d. | 🇨🇱 Patricio Rodriguez | 7-5 6-2 6-3 | H2H |
| 🇩🇰 Jan Leschly | d. | 🇦🇷 Modesto Tito Vazquez | 2-6 6-4 4-6 6-3 6-1 | H2H |
| 🇨🇿 Milan Holecek | d. | 🇨🇱 Patricio Cornejo | 6-3 7-5 6-3 | H2H |
| 🇭🇺 Istvan Gulyas | d. | 🇪🇨 Eduardo Zuleta | 6-1 6-0 6-3 | H2H |
| 🇺🇸 Clark Graebner | d. | 🇦🇷 Norberto Herrero | 6-2 6-1 6-3 | H2H |
| 🇺🇸 Tom Gorman | d. | 🇦🇷 Roberto Graetz | 6-3 6-3 6-1 | H2H |
| 🇦🇷 Julian Ganzabal | d. | 🇦🇷 Lorenzo Soriano | 6-4 6-2 6-2 | H2H |
| 🇺🇸 Frank Froehling | d. | 🇦🇷 Elio Lito Alvarez | 7-6 6-4 6-2 | H2H |
| 🇭🇷 Zeljko Franulovic | d. | 🇦🇷 Hector Romani | 6-7 6-3 6-2 6-4 | H2H |
| 🇦🇷 Roberto Aubone | d. | 🇨🇱 Jaime Fillol Sr. | 6-2 7-6 6-4 | H2H |