| Tournament | Round | Chris Ostrowski | Ron Baginski |
| 26.01.2015 City of Sydney International Masters (NSW) | 4 | 335 | 392 |
| 03.10.2016 NSW Championships (NSW) | 24 | 427 | 389 |
| 26.01.2018 Australia Day Open (NSW) | 8 | 306 | 482 |
| 28.01.2018 City of Sydney International Masters (NSW) | 5 | 365 | 406 |
| 02.04.2018 2018 National Championship (ACT) | 20 | 320 | 516 |
| 25.01.2020 Australia Day Open (NSW) | 7 | 276 | 580 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 338.16 | 460.83 | |
| Spread: | -736 | 736 | |