| Tournament | Round | Marge Roberts | Fifi Lefebvre |
| 10.06.2001 Advanced Intermediate Recreation (WA) | 2 | 315 | 353 |
| 21.10.2001 Rockingham (WA) | 3 | 260 | 329 |
| 01.06.2008 WA Championships (WA) | 1 | 277 | 407 |
| 03.06.2013 WA Championship (WA) | 1 | 241 | 496 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 273.25 | 396.25 | |
| Spread: | -492 | 492 | |