| Tournament | Round | Arlene Williams | Arnold Appelhof |
| 01.04.2013 Australian Championship (QLD) | 5 | 368 | 327 |
| 29.01.2017 City of Sydney International Masters (NSW) | 3 | 352 | 332 |
| 26.01.2019 AUSTRALIA DAY OPEN (NSW) | 3 | 265 | 336 |
| 07.07.2019 WINTER CHALLENGE (NSW) | 6 | 353 | 482 |
| 07.10.2019 NSW CHAMPIONSHIP (NSW) | 7 | 339 | 432 |
| 27.01.2020 City of Sydney International Masters (NSW) | 10 | 326 | 410 |
| 27.01.2020 City of Sydney International Masters (NSW) | 12 | 401 | 314 |
| 03.11.2022 Seniors Championship (NSW) | 4 | 368 | 386 |
| 29.01.2023 CSIM2023 (NSW) | 17 | 328 | 373 |
| 28.01.2024 CSIM 2024 (NSW) | 1 | 314 | 520 |
| Head-to-head after 10 games | 3 | 7 | |
| Average score | 341.4 | 391.2 | |
| Spread: | -498 | 498 | |