Davis Cup G2 R1: PHI vs SRI 1970 ATP
Round robin
| Winner | Loser | Score | |
|---|---|---|---|
| Koji Watanabe | d. | Van Thanh Vo | 6-3 6-3 6-1 |
| Isao Kobayashi | d. | Van Bay Vo | 6-4 6-4 9-11 6-2 |
| Koji Watanabe | d. | Van Bay Vo | 6-2 6-3 6-4 |
| Isao Kobayashi | d. | Van Thanh Vo | 6-4 8-6 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0