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