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