St. Petersburg 1970 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Nancy Richey | m. | Valerie Ziegenfuss | 6-1 6-3 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Nancy Richey | m. | Stephanie Defina | 6-3 7-9 6-4 |
| Valerie Ziegenfuss | m. | Kathleen Harter | 7-5 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Nancy Richey | m. | Vlasta Kodesova | 6-0 6-1 |
| Stephanie Defina | m. | Ilse Buding | 6-2 6-3 |
| Valerie Ziegenfuss | m. | Judy Alvarez | 6-2 6-3 |
| Kathleen Harter | m. | Eva Lundquist | 6-1 8-6 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Vlasta Kodesova | m. | Isabella Ortiz | 6-2 6-8 6-1 |
| Stephanie Defina | m. | Kerry Harris | 6-3 7-5 |
| Ilse Buding | m. | Toni Novack | 4-6 6-3 6-3 |
| Judy Alvarez | m. | Sally Holdsworth | 6-3 6-4 |
| Valerie Ziegenfuss | m. | Isabel Fernandez De Soto | 6-0 6-4 |
| Eva Lundquist | m. | Judith Szorenyi | UNK |
| Kathleen Harter | m. | Patricia Reese | 6-4 3-6 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0