| Tournament | Round | Emanuel Atsas | Arlene Williams |
| 06.04.2015 Australian Championship (VIC) | 1 | 339 | 308 |
| 28.03.2016 Australian Championship (SA) | 20 | 274 | 308 |
| 02.04.2018 2018 National Championship (ACT) | 3 | 339 | 374 |
| 02.04.2018 2018 National Championship (ACT) | 20 | 287 | 389 |
| 03.04.2021 OZ CHAMPS (NSW) | 10 | 394 | 396 |
| 27.12.2023 Xmas Leftovers (SA) | 5 | 351 | 315 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 330.66 | 348.33 | |
| Spread: | -106 | 106 | |