| Tournament | Round | Sandra Morgan | Cheah Siu Hean |
| 13.08.2000 Western Australian Masters (WA) | 10 | 344 | 509 |
| 02.09.2001 Western Australian Masters (WA) | 10 | 316 | 388 |
| 21.04.2003 Australian Championships (SA) | 3 | 370 | 455 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 343.33 | 450.66 | |
| Spread: | -322 | 322 | |