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