| Tournament | Round | Chris May | Derek McKenzie |
| 27.01.2002 City of Sydney International Masters (NSW) | 11 | 358 | 386 |
| 21.07.2002 Winter Masters (NSW) | 8 | 354 | 443 |
| 24.03.2008 Australian Championship (VIC) | 12 | 526 | 388 |
| 04.05.2008 Queensland Championships (QLD) | 13 | 474 | 355 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 428 | 393 | |
| Spread: | 140 | -140 | |