| Date | Tournament | State | Round | Dianne Davis | Tony Williams |
|---|---|---|---|---|---|
| 01/04/2013 | Australian Championship | QLD | 7 | 388 | 353 |
| 28/03/2016 | Australian Championship | SA | 9 | 416 | 362 |
| 18/09/2022 | MASTERS and STATE CHALLENGE | VIC | 5 | 385 | 253 |
| 19/04/2025 | National Championship and Plate | SA | 12 | 460 | 326 |
| Head-to-head after 4 games | 4 | 0 | |||
| Average score | 412.25 | 323.50 | |||
| Spread | 355 | -355 | |||