| Tournament | Round | Marilyn Mackie | Fifi Lefebvre |
| 05.12.1999 Marathon December (WA) | 1 | 427 | 245 |
| 01.04.2002 Australian Championships (WA) | 2 | 346 | 428 |
| 12.01.2003 Open (WA) | 3 | 306 | 388 |
| 23.02.2003 Kwinana (WA) | 5 | 293 | 464 |
| 31.05.2003 Western Australian Championships (WA) | 11 | 382 | 410 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 350.8 | 387 | |
| Spread: | -181 | 181 | |