| Tournament | Round | Lesley Mack | Patricia Mitchell |
| 15.04.1998 Australian Championships (TAS) | 17 | 320 | 354 |
| 22.04.2000 Australian Championships (QLD) | 13 | 317 | 460 |
| 14.10.2001 Frankston (VIC) | 4 | 382 | 376 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 339.66 | 396.66 | |
| Spread: | -171 | 171 | |