| Tournament | Round | John Spaan | William Shakespeare |
| 14.06.2004 Victorian Championships (VIC) | 21 | 515 | 266 |
| 22.05.2005 Ulladulla (NSW) | 4 | 399 | 369 |
| 17.04.2006 Australian Championships (QLD) | 1 | 398 | 445 |
| 30.07.2006 Winter Masters (NSW) | 10 | 338 | 376 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 6 | 363 | 407 |
| 22.10.2006 ACT Championships (ACT) | 11 | 372 | 419 |
| 09.04.2007 Australian Championships (NSW) | 12 | 455 | 339 |
| 20.05.2007 Ulladulla 2007 (NSW) | 12 | 410 | 332 |
| 08.09.2007 AUST MASTERS & STATE CHALLENGE (VIC) | 17 | 428 | 370 |
| 27.10.2007 Sydney (NSW) | 4 | 434 | 423 |
| 18.05.2008 Ulladulla (NSW) | 6 | 468 | 376 |
| 20.07.2008 Winter Masters (NSW) | 18 | 448 | 393 |
| 02.01.2010 Janboree (NSW) | 5 | 383 | 315 |
| 08.01.2012 Janboree (NSW) | 4 | 381 | 372 |
| 15.06.2013 WORDS June (NSW) | 6 | 264 | 344 |
| Head-to-head after 15 games | 10 | 5 | |
| Average score | 403.73 | 369.73 | |
| Spread: | 510 | -510 | |