| Tournament | Round | Karrin Henderson | Tony Williams |
| 01.04.2013 Australian Championship (QLD) | 1 | 448 | 442 |
| 25.08.2019 WESPA Seniors 2019 (QLD) | 19 | 386 | 384 |
| 16.04.2022 Australian Championship (QLD) | 11 | 380 | 307 |
| 28.01.2024 CSIM 2024 (NSW) | 11 | 391 | 401 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 401.25 | 383.5 | |
| Spread: | 71 | -71 | |