| Tournament | Round | Margaret Griggs | John Rider |
| 29.10.2017 Tas Champs (TAS) | 11 | 338 | 400 |
| 04.11.2018 Tasmanian Championships (TAS) | 11 | 422 | 367 |
| 22.04.2019 2019 Australian Championship (TAS) | 5 | 342 | 384 |
| 22.04.2019 2019 Australian Championship (TAS) | 13 | 353 | 393 |
| 08.04.2023 PLATE (VIC) | 16 | 442 | 345 |
| 08.04.2023 PLATE (VIC) | 20 | 270 | 444 |
| 04.04.2026 AUS CHAMPS (ACT) | 11 | 288 | 356 |
| 04.04.2026 AUS CHAMPS (ACT) | 23 | 448 | 345 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 362.87 | 379.25 | |
| Spread: | -131 | 131 | |