| Tournament | Round | Mary McMahon | Naween Fernando |
| 23.07.2001 Prahran (VIC) | 4 | 349 | 388 |
| 08.06.2003 Victorian Championships (VIC) | 2 | 367 | 361 |
| 04.07.2004 Nunawading (VIC) | 2 | 341 | 470 |
| 03.07.2005 Nunawading (VIC) | 1 | 365 | 454 |
| 07.01.2006 Mind Sports (VIC) | 2 | 426 | 368 |
| 18.03.2007 Langwarrin (VIC) | 2 | 369 | 576 |
| 17.08.2008 GWEN CHADWICK (VIC) | 6 | 370 | 527 |
| 28.12.2008 Decathon (VIC) | 2 | 351 | 502 |
| 28.12.2014 Decathon (VIC) | 4 | 361 | 525 |
| Head-to-head after 9 games | 2 | 7 | |
| Average score | 366.55 | 463.44 | |
| Spread: | -872 | 872 | |