| Tournament | Round | Lesley Mack | Harry Malcolm |
| 15.04.1998 Australian Championships (TAS) | 1 | 340 | 458 |
| 11.09.2004 Raymond Island (VIC) | 2 | 325 | 449 |
| 05.03.2005 Paynesville (VIC) | 3 | 365 | 436 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 343.33 | 447.66 | |
| Spread: | -313 | 313 | |