| Date | Tournament | State | 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 | 344.50 | |||
| Spread | 127 | -127 | |||