| Date | Tournament | State | Round | Chris May | Richard Birch |
|---|---|---|---|---|---|
| 05/09/1999 | Baulkham Hills Open | NSW | 8 | 349 | 371 |
| 21/03/2004 | Wyong | NSW | 2 | 401 | 412 |
| 22/03/2009 | Wyong | NSW | 1 | 561 | 299 |
| 27/02/2011 | Matchplay Qualifier | NSW | 4 | 431 | 313 |
| 29/07/2018 | NSW WINTER MASTERS | NSW | 3 | 554 | 267 |
| Head-to-head after 5 games | 3 | 2 | |||
| Average score | 459.20 | 332.40 | |||
| Spread | 634 | -634 | |||