| Tournament | Round | Chris May | Carol Johnsen |
| 12.04.2004 Australian Championships (ACT) | 18 | 385 | 392 |
| 09.04.2012 Australian Championship (TAS) | 2 | 471 | 318 |
| 09.04.2012 Australian Championship (TAS) | 24 | 357 | 341 |
| 29.01.2017 City of Sydney International Masters (NSW) | 2 | 389 | 418 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 400.5 | 367.25 | |
| Spread: | 133 | -133 | |