| Tournament | Round | Colleen McCormick | Max Johnson |
| 05.12.1999 Marathon December (WA) | 4 | 592 | 299 |
| 13.08.2000 Western Australian Masters (WA) | 3 | 446 | 259 |
| 12.01.2003 Open (WA) | 5 | 371 | 328 |
| 16.03.2003 Bunbury (WA) | 2 | 371 | 359 |
| 06.04.2003 Nedlands (WA) | 1 | 489 | 361 |
| 25.05.2003 Melville (WA) | 4 | 476 | 242 |
| Head-to-head after 6 games | 6 | 0 | |
| Average score | 457.5 | 308 | |
| Spread: | 897 | -897 | |