| Tournament | Round | Dianne Davis | Roberta Tait |
| 25.04.2011 Aus Championship (ACT) | 22 | 343 | 399 |
| 10.06.2013 VIC CHAMPIONSHIP (VIC) | 12 | 329 | 395 |
| 08.06.2015 Vic Championship (VIC) | 14 | 333 | 284 |
| 25.08.2019 WESPA Seniors 2019 (QLD) | 7 | 347 | 427 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 338 | 376.25 | |
| Spread: | -153 | 153 | |