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