By surface
| Surface | Isao Kobayashi | Van Thanh Vo |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-04-10 | ATP | Davis Cup WG SF: JPN vs VIE | Round Robin | — | Isao Kobayashi | 6-4 | 8-6 | 6-3 |
| Surface | Isao Kobayashi | Van Thanh Vo |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-04-10 | ATP | Davis Cup WG SF: JPN vs VIE | Round Robin | — | Isao Kobayashi | 6-4 | 8-6 | 6-3 |