| Tournament | Round | Trish Marchand | Kate Horan |
| 18.10.1998 Rockingham (WA) | 3 | 343 | 309 |
| 14.03.1999 Bunbury (WA) | 6 | 318 | 351 |
| 11.07.1999 Western Australian Masters (WA) | 16 | 366 | 335 |
| 21.10.2001 Rockingham (WA) | 2 | 392 | 321 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 354.75 | 329 | |
| Spread: | 103 | -103 | |