| Tournament | Round | Mary-Michal Oxby | Christine O |
| 21.11.2010 Central Coast Sunday (NSW) | 7 | 376 | 350 |
| 24.11.2013 CC C'SHIP 1 DAY (NSW) | 5 | 277 | 363 |
| 31.05.2014 CENTRAL COAST (NSW) | 3 | 365 | 331 |
| 26.10.2014 Empire Bay Mini (NSW) | 2 | 349 | 376 |
| 28.02.2016 Empire Bay Mini 1 (NSW) | 4 | 250 | 429 |
| 04.06.2016 Central Coast (NSW) | 2 | 413 | 279 |
| 31.07.2016 Empire Bay Mini (NSW) | 2 | 349 | 285 |
| 09.04.2017 Lake Macquarie (NSW) | 1 | 360 | 351 |
| Head-to-head after 8 games | 5 | 3 | |
| Average score | 342.37 | 345.5 | |
| Spread: | -25 | 25 | |