| Tournament | Round | Sheryl Davidson | Bob Jackman |
| 04.05.2008 Queensland Championships (QLD) | 13 | 391 | 394 |
| 01.04.2013 Australian Championship (QLD) | 22 | 357 | 414 |
| 25.08.2019 WESPA Seniors 2019 (QLD) | 20 | 354 | 431 |
| 16.04.2022 Australian Championship (QLD) | 7 | 449 | 466 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 387.75 | 426.25 | |
| Spread: | -154 | 154 | |