| Tournament | Round | Carol Johnsen | Cheah Siu Hean |
| 09.04.2012 Australian Championship (TAS) | 13 | 277 | 608 |
| 17.04.2017 National Championship (WA) | 14 | 326 | 431 |
| 02.04.2018 2018 National Championship (ACT) | 19 | 352 | 477 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 318.33 | 505.33 | |
| Spread: | -561 | 561 | |