| Tournament | Round | Latha Weerakkody | Arlene Williams |
| 28.12.2010 Decathon (VIC) | 5 | 344 | 392 |
| 06.04.2015 Australian Championship (VIC) | 13 | 383 | 373 |
| 17.04.2016 Tristate Challenge (NSW) | 2 | 376 | 371 |
| 26.05.2019 Tri-State (NSW) | 9 | 382 | 351 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 371.25 | 371.75 | |
| Spread: | -2 | 2 | |