| Tournament | Round | Mary McMahon | John Barker |
| 14.06.1999 Victorian Championships (VIC) | 11 | 434 | 324 |
| 28.12.1999 Decathon (VIC) | 6 | 325 | 429 |
| 08.06.2003 Victorian Championships (VIC) | 3 | 395 | 290 |
| 09.06.2014 Vic Champs (VIC) | 23 | 344 | 483 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 374.5 | 381.5 | |
| Spread: | -28 | 28 | |