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