| Tournament | Round | Cheah Siu Hean | Joan Rosenthal |
| 05.04.1999 Australian Championships (NSW) | 6 | 412 | 337 |
| 01.04.2002 Australian Championships (WA) | 14 | 426 | 400 |
| 21.04.2003 Australian Championships (SA) | 18 | 448 | 387 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 428.66 | 374.66 | |
| Spread: | 162 | -162 | |