| Tournament | Round | Jean Mackenzie | Beverley Roberts |
| 12.07.1998 Coominya (QLD) | 3 | 345 | 325 |
| 09.07.2000 Coominya Winter (QLD) | 1 | 277 | 358 |
| 15.02.2004 Ipswich (QLD) | 2 | 377 | 321 |
| 13.02.2005 Ipswich (QLD) | 1 | 347 | 286 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 336.5 | 322.5 | |
| Spread: | 56 | -56 | |