| Tournament | Round | Jenny Coetzee | Trish Marchand |
| 14.03.1999 Bunbury (WA) | 2 | 387 | 316 |
| 11.07.1999 Western Australian Masters (WA) | 11 | 326 | 290 |
| 19.03.2000 Bunbury (WA) | 4 | 261 | 377 |
| 14.01.2001 WA Open (WA) | 7 | 360 | 329 |
| 21.10.2001 Rockingham (WA) | 1 | 322 | 453 |
| 14.07.2002 Bassendean (WA) | 1 | 342 | 334 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 333 | 349.83 | |
| Spread: | -101 | 101 | |