| Date | Tournament | State | Round | Chris May | Chris Ostrowski |
|---|---|---|---|---|---|
| 22/07/2012 | Winter Masters | NSW | 1 | 391 | 369 |
| 21/04/2014 | Australian Championship | NSW | 2 | 361 | 379 |
| 20/05/2018 | Ulladulla | NSW | 9 | 516 | 349 |
| 21/07/2019 | NSW WINTER MASTERS | NSW | 8 | 482 | 333 |
| 07/10/2019 | NSW CHAMPIONSHIP | NSW | 2 | 521 | 472 |
| Head-to-head after 5 games | 4 | 1 | |||
| Average score | 454.20 | 380.40 | |||
| Spread | 369 | -369 | |||