| Tournament | Round | Gwen Kirkham | Trish Marchand |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 6 | 348 | 347 |
| 17.01.1999 WA Open (WA) | 8 | 363 | 369 |
| 11.07.1999 Western Australian Masters (WA) | 9 | 312 | 361 |
| 03.10.1999 Yokine (WA) | 4 | 396 | 327 |
| 27.03.2000 Nedlands (WA) | 3 | 376 | 359 |
| 10.09.2000 Yokine (WA) | 4 | 372 | 399 |
| 08.10.2000 Rockingham (WA) | 6 | 346 | 352 |
| 15.11.2000 Coogee (WA) | 5 | 307 | 394 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 352.5 | 363.5 | |
| Spread: | -88 | 88 | |