| Tournament | Round | Yolly Treasure | Jean Mackenzie |
| 23.08.1998 Queensland Championships (QLD) | 9 | 439 | 311 |
| 23.08.1998 Queensland Championships (QLD) | 14 | 326 | 323 |
| 21.02.1999 Ipswich (QLD) | 6 | 357 | 276 |
| 20.02.2000 Ipswich (QLD) | 4 | 395 | 278 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 379.25 | 297 | |
| Spread: | 329 | -329 | |