| Tournament | Round | Maureen Harrison | Carol Mascitti |
| 22.09.2018 Townsville Sat (QLD) | 1 | 353 | 357 |
| 13.07.2019 Townsville Sat (QLD) | 2 | 305 | 348 |
| 14.07.2019 Townsville Sun (QLD) | 3 | 354 | 354 |
| 26.06.2021 Townsville Saturday (QLD) | 4 | 355 | 387 |
| 30.07.2022 Townsville Saturday (QLD) | 2 | 320 | 511 |
| 31.07.2022 Townsville Sunday (QLD) | 1 | 348 | 292 |
| 28.07.2024 Sunday Townsville (QLD) | 4 | 237 | 318 |
| 09.08.2025 Women's Championship (QLD) | 5 | 290 | 416 |
| 17.08.2025 Queensland Championship (QLD) | 6 | 280 | 325 |
| Head-to-head after 9 games | 1.5 | 7.5 | |
| Average score | 315.77 | 367.55 | |
| Spread: | -466 | 466 | |