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