| Tournament | Round | Carol Johnsen | John Spaan |
| 28.12.1999 Decathon (VIC) | 16 | 458 | 432 |
| 05.05.2002 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 4 | 394 | 458 |
| 30.04.2006 NSW vs Victoria Border Challenge Wagga Wagga (NSW) | 4 | 387 | 342 |
| 09.05.2010 3 State Challenge, Wagga Wagga (NSW) | 3 | 314 | 414 |
| 25.04.2011 Aus Championship (ACT) | 4 | 303 | 497 |
| 06.09.2015 Australian Masters and State Team Challenge (NSW) | 16 | 345 | 371 |
| 11.09.2016 MASTERS AND STATE CHAL (VIC) | 15 | 523 | 511 |
| 14.05.2017 Tri-State (ACT) | 5 | 447 | 470 |
| 10.09.2017 AMSC 2017 (SA) | 13 | 406 | 365 |
| 09.09.2018 Australian Masters and State Team Challenge (QLD) | 4 | 463 | 421 |
| 08.09.2019 Australian Masters and State Team Challenge (ACT) | 4 | 330 | 428 |
| 16.04.2022 Australian Championship (QLD) | 1 | 342 | 343 |
| 19.04.2025 National Championship and Plate (SA) | 5 | 342 | 380 |
| Head-to-head after 13 games | 5 | 8 | |
| Average score | 388.76 | 417.84 | |
| Spread: | -378 | 378 | |