| Tournament | Round | Dianne Davis | Martin Waterworth |
| 05.04.2010 Aus Championship (SA) | 23 | 410 | 375 |
| 25.04.2011 Aus Championship (ACT) | 16 | 351 | 438 |
| 01.04.2013 Australian Championship (QLD) | 14 | 358 | 388 |
| 06.04.2015 Australian Championship (VIC) | 21 | 350 | 432 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 367.25 | 408.25 | |
| Spread: | -164 | 164 | |