| Tournament | Round | Rob Marotta | Arlene Williams |
| 21.04.2014 Australian Championship (NSW) | 6 | 325 | 350 |
| 07.10.2019 NSW CHAMPIONSHIP (NSW) | 11 | 397 | 342 |
| 29.01.2023 CSIM2023 (NSW) | 16 | 361 | 350 |
| 28.01.2024 CSIM 2024 (NSW) | 18 | 402 | 366 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 371.25 | 352 | |
| Spread: | 77 | -77 | |