| Tournament | Round | Marie Cross | Grace De Bonis |
| 19.03.2000 Bunbury (WA) | 2 | 313 | 312 |
| 11.11.2001 Coogee (WA) | 1 | 295 | 323 |
| 28.09.2003 Manjimup (WA) | 2 | 262 | 308 |
| 14.03.2004 Bunbury (WA) | 4 | 320 | 305 |
| 13.03.2005 Bunbury (WA) | 6 | 276 | 304 |
| 25.09.2005 Manjimup Standard (WA) | 2 | 339 | 360 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 300.83 | 318.66 | |
| Spread: | -107 | 107 | |