| Tournament | Round | Joanna Moss | Marge Roberts |
| 05.11.2023 November Bisection (WA) | 7 | 438 | 387 |
| 02.06.2024 WA State Championship (WA) | 14 | 332 | 318 |
| 06.10.2024 October Bisection (WA) | 6 | 375 | 260 |
| 05.10.2025 October Bisection (WA) | 7 | 323 | 343 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 367 | 327 | |
| Spread: | 160 | -160 | |