| Tournament | Round | Chris Ostrowski | Trish Cearns |
| 09.04.2007 Australian Championships (NSW) | 12 | 339 | 478 |
| 09.04.2007 Australian Championships (NSW) | 23 | 302 | 329 |
| 24.03.2008 Australian Championship (VIC) | 9 | 251 | 420 |
| 24.03.2008 Australian Championship (VIC) | 15 | 325 | 344 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 304.25 | 392.75 | |
| Spread: | -354 | 354 | |