| Tournament | Round | Mary McMahon | Maria Zucco |
| 08.02.1998 Camberwell (VIC) | 4 | 479 | 372 |
| 08.03.1998 Wangaratta (VIC) | 3 | 390 | 336 |
| 25.10.1998 Frankston (VIC) | 6 | 427 | 313 |
| 28.12.1998 Decathon (VIC) | 8 | 377 | 307 |
| 17.01.1999 Bil Rose Aestival (VIC) | 6 | 333 | 375 |
| 17.10.1999 Frankston (VIC) | 6 | 359 | 383 |
| 23.01.2000 Aestival (VIC) | 5 | 376 | 348 |
| 06.02.2000 Ballarat (VIC) | 5 | 313 | 352 |
| 21.01.2001 Aestival (VIC) | 7 | 313 | 439 |
| 16.04.2001 Australian Championships (VIC) | 19 | 320 | 414 |
| 25.05.2002 Bunny (VIC) | 6 | 444 | 315 |
| Head-to-head after 11 games | 6 | 5 | |
| Average score | 375.54 | 359.45 | |
| Spread: | 177 | -177 | |