| Tournament | Round | John de Lange | Diana Field |
| 04.09.2004 Oatlands (NSW) | 3 | 305 | 254 |
| 10.09.2004 Baulkham Hills Open (NSW) | 5 | 346 | 295 |
| 04.10.2004 New South Wales Championships (NSW) | 10 | 296 | 265 |
| 04.10.2004 New South Wales Championships (NSW) | 18 | 310 | 295 |
| 04.12.2004 North Shore (NSW) | 3 | 348 | 325 |
| 09.01.2005 Janboree (NSW) | 4 | 329 | 324 |
| 19.02.2005 Wollongong (NSW) | 3 | 262 | 334 |
| Head-to-head after 7 games | 6 | 1 | |
| Average score | 313.71 | 298.85 | |
| Spread: | 104 | -104 | |