| Tournament | Round | Maretta Walton | Anne Stewart |
| 11.07.1999 Western Australian Masters (WA) | 6 | 399 | 417 |
| 27.03.2000 Nedlands (WA) | 2 | 340 | 414 |
| 10.09.2000 Yokine (WA) | 2 | 345 | 398 |
| 02.09.2001 Western Australian Masters (WA) | 10 | 403 | 358 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 371.75 | 396.75 | |
| Spread: | -100 | 100 | |