By surface
| Surface | Eddie Cruz | Koji Watanabe |
|---|
All meetings (2)
| 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 | 3-6 | 4-6 | 4-6 | ||
| 1968-05-10 | ATP | Davis Cup AME F: JPN vs PHI | Round Robin | — | Koji Watanabe | 6-4 | 2-6 | 0-6 | 2-6 |