| Tournament | Round | Chris May | John Spaan |
| 30.01.2000 City of Sydney International Masters (NSW) | 9 | 353 | 444 |
| 17.08.2002 Revesby (NSW) | 7 | 466 | 252 |
| 12.04.2004 Australian Championships (ACT) | 20 | 423 | 341 |
| 03.10.2005 New South Wales Championships (NSW) | 11 | 468 | 367 |
| 07.01.2006 Janboree (NSW) | 5 | 454 | 306 |
| 20.07.2008 Winter Masters (NSW) | 11 | 420 | 357 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 6 | 371 | 422 |
| 25.01.2009 City of Sydney International Masters (NSW) | 7 | 543 | 233 |
| 25.01.2009 City of Sydney International Masters (NSW) | 20 | 445 | 334 |
| 29.10.2011 october surprise (NSW) | 7 | 444 | 418 |
| 19.11.2017 ACT Champs (ACT) | 8 | 538 | 350 |
| 19.11.2017 ACT Champs (ACT) | 15 | 387 | 436 |
| 02.04.2018 2018 National Championship (ACT) | 17 | 425 | 306 |
| 20.05.2018 Ulladulla (NSW) | 1 | 525 | 352 |
| 09.02.2019 WORDS SUMMER RR (NSW) | 5 | 578 | 380 |
| Head-to-head after 15 games | 12 | 3 | |
| Average score | 456 | 353.2 | |
| Spread: | 1542 | -1542 | |