| Tournament | Round | Grace de Bonis | Chris Dyson |
| 08.07.2001 Bassendean (WA) | 1 | 356 | 342 |
| 12.08.2001 Yokine (WA) | 2 | 341 | 335 |
| 10.03.2002 Bunbury (WA) | 5 | 433 | 250 |
| 22.10.2006 Rockingham (WA) | 2 | 329 | 311 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 364.75 | 309.5 | |
| Spread: | 221 | -221 | |