| Tournament | Round | Jan Osborn | Shirley Hoar |
| 30.05.1999 Melville (WA) | 5 | 250 | 357 |
| 25.06.2000 Advanced Intermediate Recreation (WA) | 4 | 310 | 333 |
| 10.03.2002 Bunbury (WA) | 2 | 378 | 338 |
| 13.03.2005 Bunbury (WA) | 2 | 337 | 323 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 318.75 | 337.75 | |
| Spread: | -76 | 76 | |