| Tournament | Round | John Spaan | Heather Sorensen |
| 28.07.2007 ACT July Open (ACT) | 1 | 375 | 260 |
| 26.07.2014 ACT AGM TOURNEY (ACT) | 4 | 407 | 287 |
| 02.04.2017 Nationals Warm Up (ACT) | 2 | 412 | 340 |
| 24.07.2021 AGM Tournament (ACT) | 3 | 423 | 356 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 404.25 | 310.75 | |
| Spread: | 374 | -374 | |