By surface
| Surface | John Cooper | Keishiro Yanagi |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-04-23 | ATP | Davis Cup AME F: JPN vs AUS | Round Robin | — | Keishiro Yanagi | 3-6 | 4-6 | 6-2 | 6-1 | 3-6 |
| Surface | John Cooper | Keishiro Yanagi |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-04-23 | ATP | Davis Cup AME F: JPN vs AUS | Round Robin | — | Keishiro Yanagi | 3-6 | 4-6 | 6-2 | 6-1 | 3-6 |