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