| Tournament | Round | Peg Hearfield | Marilyn Mackie |
| 12.07.1998 WA Masters (WA) | 17 | 326 | 280 |
| 25.04.1999 Nedlands (WA) | 3 | 275 | 374 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 5 | 279 | 449 |
| 13.02.2000 Fremantle (WA) | 2 | 284 | 341 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 291 | 361 | |
| Spread: | -280 | 280 | |