| Tournament | Round | Richard Birch | Chris May |
| 05.09.1999 Baulkham Hills Open (NSW) | 8 | 371 | 349 |
| 21.03.2004 Wyong (NSW) | 2 | 412 | 401 |
| 22.03.2009 Wyong (NSW) | 1 | 299 | 561 |
| 27.02.2011 Matchplay Qualifier (NSW) | 4 | 313 | 431 |
| 29.07.2018 NSW WINTER MASTERS (NSW) | 3 | 267 | 554 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 332.4 | 459.2 | |
| Spread: | -634 | 634 | |