By surface
| Surface | Sam Riffice | Riki Oshima |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-01-30 | WTA | Auckland | Round of 32 | Hard | Halle Cioffi | 1-6 | 1-6 | |||
| 1988-08-08 | WTA | Los Angeles | Round of 64 | Hard | Halle Cioffi | 2-6 | 3-6 |