| Tournament | Round | John Spaan | Tony Williams |
| 16.08.2015 Winter Farewell (ACT) | 2 | 429 | 357 |
| 10.12.2016 Bundanoon (NSW) | 3 | 545 | 332 |
| 25.06.2017 ACT Winter Open (ACT) | 6 | 363 | 312 |
| 19.11.2017 ACT Champs (ACT) | 1 | 338 | 406 |
| 29.03.2018 Nats Warmup (ACT) | 2 | 533 | 278 |
| 11.11.2018 ACT Champs (ACT) | 12 | 396 | 436 |
| 20.11.2021 ACT Championships (ACT) | 8 | 408 | 346 |
| 19.03.2022 March Marathon (ACT) | 11 | 413 | 335 |
| 16.04.2022 Australian Championship (QLD) | 8 | 493 | 355 |
| 12.11.2022 ACT Championship (ACT) | 12 | 306 | 480 |
| 04.04.2026 AUS CHAMPS (ACT) | 9 | 435 | 396 |
| Head-to-head after 11 games | 8 | 3 | |
| Average score | 423.54 | 366.63 | |
| Spread: | 626 | -626 | |