San Juan 1971 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Stan Smith | d. | Cliff Richey | 6-3 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Stan Smith | d. | Tom Gorman | 6-4 6-2 |
| Cliff Richey | d. | Clark Graebner | 7-6 6-1 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Stan Smith | d. | Erik Van Dillen | 6-3 6-7 6-3 |
| Cliff Richey | d. | Joaquin Loyo Mayo | 6-3 6-3 |
| Clark Graebner | d. | Gerald Battrick | 6-3 6-2 |
| Tom Gorman | d. | Frank Froehling | 6-4 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Erik Van Dillen | d. | Vic Seixas | 6-2 6-2 |
| Stan Smith | d. | Milan Holecek | 7-5 7-6 |
| Cliff Richey | d. | Onny Parun | 6-4 7-6 |
| Joaquin Loyo Mayo | d. | Peter Curtis | 7-5 7-5 |
| Clark Graebner | d. | Luis Ayala | 6-1 6-4 |
| Tom Gorman | d. | Nicola Spear | 6-7 6-4 6-4 |
| Frank Froehling | d. | Zeljko Franulovic | 6-3 0-6 6-2 |
| Gerald Battrick | d. | Jim Mcmanus | 4-6 6-3 6-0 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Erik Van Dillen | d. | Vladimir Zednik | 6-4 6-3 |
| Nicola Spear | d. | Richard Russell | 6-3 4-6 6-4 |
| Stan Smith | d. | Lenny Schloss | 6-0 6-1 |
| Vic Seixas | d. | Mike Belkin | 5-7 6-3 6-4 |
| Cliff Richey | d. | Morton Stern | 6-0 6-0 |
| Onny Parun | d. | Martin Mulligan | 6-3 7-6 |
| Jim Mcmanus | d. | Donald Dell | 6-3 6-4 |
| Joaquin Loyo Mayo | d. | Ray Keldie | 6-3 6-3 |
| Milan Holecek | d. | Terry Addison | 7-6 6-1 |
| Clark Graebner | d. | Hans Kary | 6-7 6-1 6-0 |
| Tom Gorman | d. | Miguel Braschi | 6-1 6-4 |
| Frank Froehling | d. | Tom Edlefsen | 7-6 6-1 |
| Zeljko Franulovic | d. | Juan Ortiz | 6-2 6-2 |
| Peter Curtis | d. | Jim Osborne | W/O |
| Gerald Battrick | d. | Freddie De Jesus | 6-3 6-3 |
| Luis Ayala | d. | Pancho Guzman | W/O |