| Tournament | Round | Maretta Walton | Sue Omodei |
| 17.01.1999 WA Open (WA) | 5 | 523 | 295 |
| 14.02.1999 Fremantle (WA) | 1 | 363 | 450 |
| 14.03.1999 Bunbury (WA) | 1 | 361 | 479 |
| 25.04.1999 Nedlands (WA) | 3 | 373 | 409 |
| 08.07.2000 Bassendean (WA) | 1 | 430 | 362 |
| 08.07.2001 Bassendean (WA) | 3 | 407 | 351 |
| 02.09.2001 Western Australian Masters (WA) | 8 | 355 | 445 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 401.71 | 398.71 | |
| Spread: | 21 | -21 | |