| Tournament | Round | Sheryl Davidson | La |
| 18.09.2005 Australian Masters & State Challenge Trophy (VIC) | 2 | 388 | 401 |
| 07.05.2007 Queensland Championships (Masters) (QLD) | 10 | 452 | 266 |
| 07.05.2007 Queensland Championships (Masters) (QLD) | 21 | 417 | 385 |
| 22.08.2012 For Julie III (QLD) | 6 | 335 | 442 |
| 16.05.2015 MAYHEM MORN (QLD) | 3 | 396 | 386 |
| 16.05.2015 MAYHEM ARVO (QLD) | 3 | 301 | 354 |
| 10.09.2017 AMSC 2017 (SA) | 7 | 320 | 506 |
| 15.04.2018 Tangara (QLD) | 5 | 360 | 343 |
| 19.05.2018 Paradise Point (QLD) | 3 | 364 | 263 |
| 02.08.2020 August (QLD) | 5 | 389 | 321 |
| 04.10.2020 oct qah (QLD) | 8 | 312 | 309 |
| 25.10.2020 Redcliffe (QLD) | 5 | 439 | 284 |
| 05.06.2021 Toowoomba Winter (QLD) | 4 | 409 | 400 |
| 18.09.2021 Toowoomba Spring (QLD) | 8 | 345 | 458 |
| 18.09.2022 MASTERS and STATE CHALLENGE (VIC) | 10 | 356 | 446 |
| 16.07.2023 July Jaunt (QLD) | 2 | 444 | 339 |
| 02.09.2023 AUSTRALIAN MASTERS (NSW) | 8 | 401 | 444 |
| 17.12.2023 Last Chance (QLD) | 2 | 249 | 400 |
| 14.06.2025 Toowoomba Winter (QLD) | 6 | 408 | 401 |
| 07.09.2025 AUSTRALIAN MASTERS AND STATE CHALLENGE (VIC) | 1 | 377 | 342 |
| Head-to-head after 20 games | 12 | 8 | |
| Average score | 373.1 | 374.5 | |
| Spread: | -28 | 28 | |