| Tournament | Round | Wynne Davidson | Noela Costello |
| 13.01.2002 WA Open (WA) | 2 | 371 | 259 |
| 30.11.2003 Hamersley (WA) | 2 | 326 | 380 |
| 08.02.2004 Fremantle (WA) | 7 | 362 | 383 |
| 14.03.2004 Bunbury (WA) | 7 | 449 | 303 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 377 | 331.25 | |
| Spread: | 183 | -183 | |