By surface
| Surface | Ray Ruffels | Isao Kobayashi |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-04-17 | ATP | Davis Cup AME F: JPN vs AUS | Round Robin | — | Ray Ruffels | 6-2 | 6-2 | 6-0 |
| Surface | Ray Ruffels | Isao Kobayashi |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-04-17 | ATP | Davis Cup AME F: JPN vs AUS | Round Robin | — | Ray Ruffels | 6-2 | 6-2 | 6-0 |