| Tournament | Round | Mark Smith | Dianne Davis |
| 17.04.2006 Australian Championships (QLD) | 6 | 357 | 406 |
| 25.04.2011 Aus Championship (ACT) | 5 | 425 | 299 |
| 25.04.2011 Aus Championship (ACT) | 23 | 395 | 416 |
| 02.04.2018 2018 National Championship (ACT) | 11 | 515 | 303 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 423 | 356 | |