| Tournament | Round | Tony Williams | Barry Harridge |
| 14.05.2017 Tri-State (ACT) | 3 | 195 | 460 |
| 26.05.2019 Tri-State (NSW) | 3 | 314 | 410 |
| 03.11.2022 Seniors Championship (NSW) | 19 | 363 | 421 |
| 04.04.2026 AUS CHAMPS (ACT) | 24 | 497 | 351 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 342.25 | 410.5 | |
| Spread: | -273 | 273 | |