| Date | Tournament | State | 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 | 457.50 | 308.00 | |||
| Spread | 897 | -897 | |||