| Tournament | Round | Lois Usher | Pat Foster |
| 11.03.2001 Bunbury (WA) | 1 | 283 | 340 |
| 30.09.2001 Manjimup (WA) | 6 | 318 | 318 |
| 29.09.2002 Manjimup (WA) | 3 | 277 | 339 |
| 16.03.2003 Bunbury (WA) | 1 | 318 | 330 |
| Head-to-head after 4 games | 0.5 | 3.5 | |
| Average score | 299 | 331.75 | |
| Spread: | -131 | 131 | |