| Tournament | Round | Chris Ostrowski | Martin Waterworth |
| 24.06.2017 Newtown Club (NSW) | 8 | 395 | 263 |
| 04.01.2020 JanBoree (NSW) | 7 | 347 | 359 |
| 16.04.2022 Australian Championship (QLD) | 5 | 313 | 414 |
| 16.04.2022 Australian Championship (QLD) | 20 | 334 | 400 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 347.25 | 359 | |
| Spread: | -47 | 47 | |