| Tournament | Round | Trish Windhurst | Chlorise O'Sullivan |
| 29.03.1998 Wyong (NSW) | 3 | 254 | 309 |
| 24.11.2007 CENTRAL COAST CHAMPS (NSW) | 8 | 434 | 270 |
| 09.07.2009 Tugg MD-WK (NSW) | 5 | 405 | 388 |
| 29.03.2015 EMPIRE BAY MINI (NSW) | 6 | 401 | 332 |
| 05.05.2018 Lake Macquarie (NSW) | 4 | 322 | 256 |
| 28.10.2018 Empire Bay (NSW) | 5 | 358 | 336 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 362.33 | 315.16 | |
| Spread: | 283 | -283 | |