San Juan 1970 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Arthur Ashe | d. | Cliff Richey | 6-4 6-3 1-6 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Cliff Richey | d. | Jim Mcmanus | 6-2 6-3 |
| Arthur Ashe | d. | Clark Graebner | W/O |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Cliff Richey | d. | Zeljko Franulovic | 6-2 6-4 |
| Jim Mcmanus | d. | Nicola Spear | 6-4 6-0 |
| Clark Graebner | d. | Bob Carmichael | 7-5 7-5 |
| Arthur Ashe | d. | Luis Ayala | 6-1 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Nicola Spear | d. | Octavio Piva | 6-0 6-1 |
| Cliff Richey | d. | Jan Kodes | 6-2 6-2 |
| Jim Mcmanus | d. | Christian Kuhnke | 6-3 10-8 |
| Clark Graebner | d. | Gerald Battrick | 0-6 10-8 7-5 |
| Zeljko Franulovic | d. | Brian Fairlie | 6-3 10-8 |
| Bob Carmichael | d. | Charlie Pasarell | 6-2 6-4 |
| Luis Ayala | d. | Ingo Buding | 7-5 7-9 7-5 |
| Arthur Ashe | d. | Juan Gisbert | 6-2 5-7 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Nicola Spear | d. | Hans Joachim Ploetz | 7-5 6-4 |
| Cliff Richey | d. | Bernard Paul | 6-1 6-3 |
| Charlie Pasarell | d. | Ray Keldie | 6-2 9-7 |
| Jim Mcmanus | d. | Szabolcz Baranyi | 6-1 6-2 |
| Christian Kuhnke | d. | Richard Russell | 9-11 7-5 6-3 |
| Jan Kodes | d. | Peter Curtis | 7-5 6-3 |
| Clark Graebner | d. | Peter Szoke | 6-1 6-2 |
| Juan Gisbert | d. | Tom Gorman | 6-4 6-3 |
| Zeljko Franulovic | d. | Vic Seixas | 7-5 6-4 |
| Brian Fairlie | d. | Terry Addison | 10-8 6-3 |
| Bob Carmichael | d. | Onny Parun | 8-6 8-6 |
| Ingo Buding | d. | Tom Edlefsen | 5-7 6-1 6-2 |
| Gerald Battrick | d. | Joaquin Loyo Mayo | 6-3 6-1 |
| Luis Ayala | d. | Roy Barth | 6-4 3-6 6-0 |
| Arthur Ashe | d. | Lance Lumsden | 6-0 6-0 |
Round of 64
| Winner | Loser | Score | |
|---|---|---|---|
| Peter Szoke | d. | Juan Ortiz | 6-1 6-0 |
| Vic Seixas | d. | Miguel Braschi | 6-1 6-4 |
| Charlie Pasarell | d. | Unknown Orasz | 6-1 7-5 |
| Onny Parun | d. | Donald Dell | 4-6 16-14 6-1 |
| Joaquin Loyo Mayo | d. | Unknown Alvarez | 6-4 5-7 6-4 |
| Ray Keldie | d. | Juan Cruz | 6-3 6-2 |
| Zeljko Franulovic | d. | Freddie De Jesus | 11-9 4-6 6-3 |
| Brian Fairlie | d. | Jun Kuki | 6-3 6-3 |
| Peter Curtis | d. | Jim Osborne | 4-6 6-1 6-3 |
| Bob Carmichael | d. | Tico Carrero | 7-9 6-2 6-4 |
| Gerald Battrick | d. | Unknown Rios | 6-3 6-2 |
| Terry Addison | d. | Unknown Stern | 6-3 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0