By surface
| Surface | Koji Watanabe | Raymundo Deyro |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-04-18 | ATP | Davis Cup AME SF: JPN vs PHI | Round Robin | — | Koji Watanabe | 6-2 | 6-1 | 6-2 |
| Surface | Koji Watanabe | Raymundo Deyro |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-04-18 | ATP | Davis Cup AME SF: JPN vs PHI | Round Robin | — | Koji Watanabe | 6-2 | 6-1 | 6-2 |