| Tournament | Round | Chris Ostrowski | Joan Rosenthal |
| 06.09.2009 hillsopen (NSW) | 5 | 370 | 449 |
| 07.05.2011 SYDNEY WEST (NSW) | 3 | 315 | 438 |
| 28.08.2011 WSC Rep Fundraiser (NSW) | 7 | 322 | 424 |
| 31.08.2013 WAITARA TEAM CHALLENGE (NSW) | 5 | 339 | 411 |
| 18.05.2014 Ulladulla (NSW) | 11 | 340 | 423 |
| Head-to-head after 5 games | 0 | 5 | |
| Average score | 337.2 | 429 | |
| Spread: | -459 | 459 | |