| Tournament | Round | Margaret Jones | Mavis Jones |
| 18.07.1999 Nunawading (VIC) | 5 | 330 | 349 |
| 06.08.2000 Knox (VIC) | 2 | 402 | 349 |
| 20.05.2001 Dandenong (VIC) | 6 | 357 | 374 |
| 23.07.2001 Prahran (VIC) | 1 | 344 | 341 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 358.25 | 353.25 | |
| Spread: | 20 | -20 | |