| Tournament | Round | Zigi Richards | Pat Mulroney |
| 17.05.2009 Melville (WA) | 7 | 298 | 335 |
| 19.05.2013 MELVILLE (WA) | 6 | 350 | 324 |
| 18.05.2014 MELVILLE (WA) | 1 | 369 | 303 |
| 17.05.2015 Melville (WA) | 7 | 277 | 366 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 323.5 | 332 | |
| Spread: | -34 | 34 | |