| Tournament | Round | Yvette Copley | Arlene Williams |
| 01.04.2013 Australian Championship (QLD) | 1 | 282 | 350 |
| 16.04.2022 Australian Championship (QLD) | 21 | 316 | 394 |
| 19.04.2025 National Championship and Plate (SA) | 1 | 433 | 322 |
| 19.04.2025 National Championship and Plate (SA) | 18 | 438 | 396 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 367.25 | 365.5 | |
| Spread: | 7 | -7 | |