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