| Tournament | Round | Gwen Kirkham | Colleen McCormick |
| 31.05.1998 Melville (WA) | 6 | 416 | 338 |
| 02.08.1998 Bassendean (WA) | 3 | 423 | 362 |
| 14.02.1999 Fremantle (WA) | 4 | 351 | 409 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 5 | 303 | 372 |
| 11.07.1999 Western Australian Masters (WA) | 16 | 349 | 427 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 368.4 | 381.6 | |
| Spread: | -66 | 66 | |