| Tournament | Round | Tony Williams | Arnold Appelhof |
| 29.01.2017 City of Sydney International Masters (NSW) | 5 | 351 | 426 |
| 29.01.2017 City of Sydney International Masters (NSW) | 13 | 386 | 416 |
| 27.01.2020 City of Sydney International Masters (NSW) | 8 | 419 | 362 |
| 19.03.2022 March Marathon (ACT) | 9 | 379 | 368 |
| 29.01.2023 CSIM2023 (NSW) | 8 | 396 | 327 |
| 29.01.2023 CSIM2023 (NSW) | 11 | 421 | 412 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 392 | 385.16 | |
| Spread: | 41 | -41 | |