| Tournament | Round | Michael Smitheram | Arlene Williams |
| 02.04.2018 2018 National Championship (ACT) | 17 | 448 | 440 |
| 03.04.2021 OZ CHAMPS (NSW) | 9 | 422 | 296 |
| 04.04.2026 AUS CHAMPS (ACT) | 18 | 378 | 445 |
| 04.04.2026 AUS CHAMPS (ACT) | 21 | 532 | 260 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 445 | 360.25 | |
| Spread: | 339 | -339 | |