| Tournament | Round | Lesley Mack | Barry Harridge |
| 15.04.1998 Australian Championships (TAS) | 18 | 347 | 422 |
| 14.06.1999 Victorian Championships (VIC) | 5 | 437 | 388 |
| 22.04.2000 Australian Championships (QLD) | 4 | 409 | 465 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 397.66 | 425 | |
| Spread: | -82 | 82 | |