| Tournament | Round | Brian Irwin | Ilma Giles |
| 22.05.2005 Ulladulla (NSW) | 2 | 335 | 292 |
| 28.05.2006 Ulladulla Championship (NSW) | 3 | 252 | 420 |
| 20.05.2007 Ulladulla 2007 (NSW) | 5 | 362 | 392 |
| 18.05.2008 Ulladulla (NSW) | 6 | 341 | 317 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 322.5 | 355.25 | |
| Spread: | -131 | 131 | |