By surface
| Surface | Kento Yamada | Casper Bonapart |
|---|---|---|
| Hard | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1988-03-14 | WTA | Key Biscayne | Quarterfinal | Hard | Stephanie Rehe | 7-5 | 3-6 | 4-6 | ||
| 1988-02-08 | WTA | Dallas | Round of 16 | Hard | Barbara Potter | 2-6 | 2-6 | |||
| 1984-08-28 | WTA | US Open | Round of 128 | Hard | Barbara Potter | 4-6 | 6-0 | 6-7 |