| Tournament | Round | Chris Ostrowski | Jeffery Lam |
| 03.10.2020 NSW CHAMPS 2020 (NSW) | 2 | 413 | 408 |
| 03.10.2020 NSW CHAMPS 2020 (NSW) | 11 | 427 | 275 |
| 03.10.2022 2022 NSW CHAMPIONSHIP (NSW) | 2 | 354 | 329 |
| 29.01.2023 CSIM2023 (NSW) | 14 | 311 | 366 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 376.25 | 344.5 | |
| Spread: | 127 | -127 | |