| Date | Tournament | State | Round | Cheah Siu Hean | Olga Visser |
|---|---|---|---|---|---|
| 24/03/2002 | WA Marathon | WA | 3 | 526 | 355 |
| 24/03/2002 | WA Marathon | WA | 6 | 441 | 287 |
| 01/04/2002 | Australian Championships | WA | 4 | 562 | 221 |
| 24/03/2008 | Australian Championship | VIC | 3 | 367 | 410 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 474.00 | 318.25 | |||
| Spread | 623 | -623 | |||