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