| Tournament | Round | Mary McMahon | Ann McBain |
| 16.05.1998 Dandenong (VIC) | 2 | 317 | 378 |
| 30.08.1998 Knox (VIC) | 3 | 339 | 337 |
| 06.12.1998 Brighton (VIC) | 1 | 348 | 369 |
| 09.04.2000 Western Suburbs (VIC) | 6 | 396 | 360 |
| 21.05.2000 Dandenong (VIC) | 2 | 379 | 398 |
| 12.06.2000 Victorian Championships (VIC) | 20 | 397 | 429 |
| 15.10.2000 Frankston (VIC) | 1 | 443 | 433 |
| 09.06.2001 Victorian Championships (VIC) | 14 | 392 | 424 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 376.37 | 391 | |
| Spread: | -117 | 117 | |