| Tournament | Round | Brian Irwin | Joan Meredith |
| 21.05.1999 Ulladulla (NSW) | 6 | 329 | 255 |
| 27.05.2001 Ulladulla (NSW) | 9 | 349 | 265 |
| 26.05.2002 Ulladulla (NSW) | 7 | 285 | 269 |
| 26.05.2002 Ulladulla (NSW) | 14 | 323 | 326 |
| 15.05.2003 Ulladulla (NSW) | 5 | 327 | 261 |
| 22.05.2005 Ulladulla (NSW) | 7 | 280 | 312 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 315.5 | 281.33 | |
| Spread: | 205 | -205 | |