| Date | Tournament | State | Round | Mary Mackie | Joan Thomas |
|---|---|---|---|---|---|
| 07/03/1999 | Bendigo | VIC | 5 | 329 | 272 |
| 05/03/2000 | Bendigo | VIC | 2 | 372 | 262 |
| 04/03/2001 | Bendigo | VIC | 2 | 336 | 271 |
| 09/02/2002 | Ballarat | VIC | 3 | 313 | 340 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 337.50 | 286.25 | |||
| Spread | 205 | -205 | |||