| Tournament | Round | Jean Mackenzie | Glenys Logan |
| 23.08.1998 Queensland Championships (QLD) | 11 | 382 | 345 |
| 21.08.1999 Queensland Championships (QLD) | 5 | 371 | 289 |
| 12.09.1999 Toowoomba (QLD) | 5 | 227 | 344 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 326.66 | 326 | |
| Spread: | 2 | -2 | |