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