| Tournament | Round | Mary McMahon | Ruth Fewings |
| 22.02.1998 Ballarat (VIC) | 4 | 461 | 309 |
| 16.05.1998 Dandenong (VIC) | 3 | 428 | 411 |
| 07.02.1999 Ballarat (VIC) | 2 | 368 | 395 |
| 21.03.1999 Prahran (VIC) | 3 | 436 | 459 |
| 17.04.1999 Knox-Gully (VIC) | 6 | 332 | 339 |
| 12.09.1999 Victorian Country Championships (VIC) | 4 | 363 | 320 |
| 06.02.2000 Ballarat (VIC) | 2 | 431 | 397 |
| 19.03.2000 Prahran (VIC) | 4 | 433 | 269 |
| 21.03.2004 Bendigo (VIC) | 5 | 374 | 379 |
| 06.08.2005 Victorian Country Championships (VIC) | 3 | 383 | 335 |
| 28.01.2006 Ballarat (VIC) | 2 | 412 | 356 |
| Head-to-head after 11 games | 7 | 4 | |
| Average score | 401.9 | 360.81 | |
| Spread: | 452 | -452 | |