| Tournament | Round | Lois Usher | Di Palmer |
| 26.05.2002 Melville (WA) | 1 | 334 | 291 |
| 13.07.2003 Bassendean (WA) | 6 | 345 | 384 |
| 03.10.2004 Manjimup (WA) | 3 | 289 | 325 |
| 10.04.2005 Nedlands (WA) | 3 | 377 | 240 |
| 31.10.2005 Coogee (WA) | 1 | 270 | 291 |
| 12.03.2006 Bunbury (WA) | 7 | 279 | 305 |
| 01.04.2007 Nedlands (WA) | 2 | 282 | 282 |
| Head-to-head after 7 games | 2.5 | 4.5 | |
| Average score | 310.85 | 302.57 | |
| Spread: | 58 | -58 | |