| Tournament | Round | Mary McMahon | Lucy Stockx |
| 26.04.1998 Western Suburbs (VIC) | 6 | 339 | 429 |
| 13.09.1998 Victorian Country Championships (VIC) | 5 | 355 | 402 |
| 11.10.1998 Bendigo (VIC) | 1 | 444 | 294 |
| 12.09.1999 Victorian Country Championships (VIC) | 3 | 360 | 435 |
| 06.08.2005 Victorian Country Championships (VIC) | 6 | 382 | 326 |
| 03.09.2005 Ballarat (VIC) | 5 | 428 | 344 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 384.66 | 371.66 | |
| Spread: | 78 | -78 | |