San Juan 1977 WTA
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Billie Jean King | d. | Janet Newberry | 6-1 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Janet Newberry | d. | Joanne Russell | 6-4 5-7 6-3 |
| Billie Jean King | d. | Betty Stove | 6-4 2-6 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Janet Newberry | d. | Wendy Turnbull | 6-2 6-0 |
| Joanne Russell | d. | Rosie Casals | 6-4 6-2 |
| Billie Jean King | d. | Virginia Ruzici | 6-3 6-1 |
| Betty Stove | d. | Terry Holladay | 6-4 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Janet Newberry | d. | Betsy Nagelsen | 7-5 6-1 |
| Wendy Turnbull | d. | Kathy Kuykendall | 6-3 7-5 |
| Rosie Casals | d. | Julie Anthony | 6-4 6-1 |
| Joanne Russell | d. | Linky Boshoff | 6-3 6-1 |
| Virginia Ruzici | d. | Florenta Mihai | 6-2 4-6 6-1 |
| Billie Jean King | d. | Kristien Shaw | 4-6 6-4 6-4 |
| Terry Holladay | d. | Glynis Coles | 6-2 6-3 |
| Betty Stove | d. | Brigette Cuypers | 6-4 7-5 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Betsy Nagelsen | d. | Bunny Bruning | 4-6 6-4 6-2 |
| Janet Newberry | d. | Mary Struthers | 6-4 6-3 |
| Wendy Turnbull | d. | Wendy Overton | 6-1 6-2 |
| Kathy Kuykendall | d. | Ruta Gerulaitis | 7-5 7-5 |
| Rosie Casals | d. | Helen Gourlay | 6-2 6-2 |
| Julie Anthony | d. | Katja Ebbinghaus | 7-6 6-2 |
| Joanne Russell | d. | Sharon Walsh Pete | 6-2 6-3 |
| Linky Boshoff | d. | Carrie Meyer | 6-3 6-2 |
| Florenta Mihai | d. | Renata Tomanova | 3-6 6-3 6-2 |
| Virginia Ruzici | d. | Kerry Reid | 6-4 3-6 6-2 |
| Kristien Shaw | d. | Pam Teeguarden | 6-2 6-1 |
| Billie Jean King | d. | Francoise Durr | 6-1 6-2 |
| Glynis Coles | d. | Marise Kruger | 6-3 4-6 6-1 |
| Terry Holladay | d. | Laura Dupont | 7-6 7-5 |
| Brigette Cuypers | d. | Jeanne Evert | 6-2 6-2 |
| Betty Stove | d. | Marcie Louie | 6-3 7-5 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0