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