Davis Cup WG SF: JPN vs VIE 1970
Players
| Player | Country | Reached | |
|---|---|---|---|
| IK | Isao Kobayashi | JPN | Round Robin |
| KW | Koji Watanabe | JPN | Round Robin |
| VV | Van Bay Vo | VIE | Round Robin |
| VV | Van Thanh Vo | VIE | Round Robin |
Other matches
| Round | Winner | Loser | Score |
|---|---|---|---|
| RR | Koji Watanabe | Van Thanh Vo | 6-3 6-3 6-1 |
| RR | Isao Kobayashi | Van Bay Vo | 6-4 6-4 9-11 6-2 |
| RR | Koji Watanabe | Van Bay Vo | 6-2 6-3 6-4 |
| RR | Isao Kobayashi | Van Thanh Vo | 6-4 8-6 6-3 |