| Tournament | Round | Lois Usher | Norma Hasluck |
| 08.08.1999 Bassendean (WA) | 6 | 301 | 246 |
| 28.05.2000 Melville (WA) | 5 | 440 | 286 |
| 08.10.2000 Rockingham (WA) | 5 | 239 | 232 |
| 10.03.2002 Bunbury (WA) | 6 | 314 | 230 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 323.5 | 248.5 | |
| Spread: | 300 | -300 | |