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