| Tournament | Round | David Vanzyl | Brian Harry |
| 06.11.2011 Progressive (WA) | 3 | 407 | 364 |
| 18.03.2012 Tri-Section March (WA) | 5 | 384 | 403 |
| 22.04.2012 ANZAC MAXIMIN (WA) | 3 | 413 | 354 |
| 26.08.2012 Rockingham (WA) | 4 | 399 | 318 |
| 28.10.2012 COOGEE (WA) | 6 | 343 | 356 |
| 20.01.2013 MAXIMIN (WA) | 1 | 367 | 383 |
| 07.04.2013 APRIL MAXIMIN (WA) | 6 | 344 | 394 |
| 03.06.2013 WA Championship (WA) | 3 | 359 | 362 |
| 03.11.2013 COOGEE (WA) | 6 | 426 | 406 |
| 02.06.2014 WA Championship (WA) | 4 | 438 | 317 |
| 24.08.2014 COOGEE (WA) | 1 | 447 | 388 |
| Head-to-head after 11 games | 6 | 5 | |
| Average score | 393.36 | 367.72 | |
| Spread: | 282 | -282 | |