| Tournament | Round | John Hamilton | Carolyn Watt |
| 05.04.2010 Aus Championship (SA) | 17 | 397 | 436 |
| 17.04.2017 National Championship (WA) | 3 | 405 | 385 |
| 17.04.2017 National Championship (WA) | 18 | 431 | 392 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 411 | 404.33 | |
| Spread: | 20 | -20 | |