| Tournament | Round | Margaret Inglis | Brenda O |
| 24.08.2003 Queensland Championships (QLD) | 10 | 230 | 540 |
| 21.05.2006 May-Larkey Coorparoo (QLD) | 3 | 296 | 307 |
| 06.02.2011 Kempsey 2011 (NSW) | 4 | 331 | 309 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 285.66 | 385.33 | |
| Spread: | -299 | 299 | |