| Tournament | Round | Trish Marchand | Wynne Davidson |
| 30.05.1999 Melville (WA) | 1 | 366 | 342 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 2 | 304 | 384 |
| 05.12.1999 Marathon December (WA) | 2 | 344 | 325 |
| 08.10.2000 Rockingham (WA) | 4 | 415 | 307 |
| 04.02.2001 Fremantle (WA) | 3 | 347 | 410 |
| 21.10.2001 Rockingham (WA) | 4 | 415 | 417 |
| 10.03.2002 Bunbury (WA) | 4 | 283 | 362 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 353.42 | 363.85 | |
| Spread: | -73 | 73 | |