| Tournament | Round | Bettina Tonkin | Jan Cheong |
| 01.04.2002 Australian Championships (WA) | 6 | 325 | 276 |
| 21.04.2002 Nedlands (WA) | 3 | 313 | 340 |
| 10.08.2002 Western Australian Masters (WA) | 10 | 435 | 314 |
| 10.02.2002 Fremantle (WA) | 3 | 395 | 317 |
| 03.08.2003 Marathon (WA) | 1 | 308 | 390 |
| 03.08.2003 Marathon (WA) | 6 | 357 | 325 |
| 21.11.2004 Hamersley (WA) | 7 | 353 | 357 |
| 09.01.2005 Summer Maximin (WA) | 5 | 399 | 384 |
| 06.02.2005 Fremantle (WA) | 3 | 493 | 320 |
| Head-to-head after 9 games | 6 | 3 | |
| Average score | 375.33 | 335.88 | |
| Spread: | 355 | -355 | |