| Tournament | Round | Kath Bermingham | Marge Roberts |
| 14.03.1999 Bunbury (WA) | 1 | 292 | 469 |
| 25.04.1999 Nedlands (WA) | 1 | 460 | 285 |
| 30.05.1999 Melville (WA) | 1 | 330 | 297 |
| 30.09.2001 Manjimup (WA) | 4 | 356 | 277 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 359.5 | 332 | |
| Spread: | 110 | -110 | |