| Tournament | Round | Garth van Vliet | Tony Williams |
| 01.04.2013 Australian Championship (QLD) | 16 | 362 | 368 |
| 27.01.2014 City of Sydney International Masters (NSW) | 5 | 417 | 315 |
| 19.06.2021 WORDS WINTER 19 JUNE (NSW) | 4 | 452 | 349 |
| 04.04.2026 AUS CHAMPS (ACT) | 15 | 445 | 359 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 419 | 347.75 | |
| Spread: | 285 | -285 | |