| Tournament | Round | Tony Williams | Carol Johnsen |
| 21.04.2014 Australian Championship (NSW) | 17 | 354 | 493 |
| 17.04.2016 Tristate Challenge (NSW) | 7 | 397 | 365 |
| 26.05.2019 Tri-State (NSW) | 10 | 377 | 425 |
| 16.04.2022 Australian Championship (QLD) | 15 | 462 | 369 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 397.5 | 413 | |
| Spread: | -62 | 62 | |