| Tournament | Round | Jack Ashwin | Karrin Henderson |
| 22.03.1998 Redcliffe (QLD) | 5 | 401 | 359 |
| 31.10.1998 Redland Bay (QLD) | 2 | 352 | 369 |
| 15.11.1998 Oyez (QLD) | 3 | 314 | 464 |
| 02.05.1999 Maelstrom (QLD) | 4 | 370 | 422 |
| 21.08.1999 Queensland Championships (QLD) | 8 | 400 | 266 |
| 20.02.2000 Ipswich (QLD) | 3 | 350 | 354 |
| 18.03.2000 Redland Bay (QLD) | 3 | 336 | 354 |
| 30.04.2000 Auran Round Robin (QLD) | 7 | 306 | 379 |
| 03.12.2000 Southport (QLD) | 5 | 287 | 414 |
| 10.11.2002 Redcliffe (QLD) | 5 | 301 | 428 |
| 15.03.2003 Redland Bay (QLD) | 1 | 333 | 383 |
| 13.03.2004 Redland Bay (QLD) | 6 | 338 | 298 |
| 02.05.2004 Charity Open (QLD) | 5 | 298 | 344 |
| 13.06.2004 Millmerran (QLD) | 4 | 287 | 320 |
| 06.09.2008 Toowoomba (QLD) | 3 | 242 | 468 |
| 04.07.2010 Coominya (QLD) | 1 | 350 | 385 |
| 13.02.2011 Flood Charity Fundraiser (QLD) | 1 | 266 | 507 |
| 26.08.2012 Qld Championships (QLD) | 5 | 381 | 365 |
| 03.08.2014 WYSC Fundraiser (QLD) | 1 | 304 | 435 |
| 27.09.2015 Youth Fundraiser (QLD) | 3 | 336 | 470 |
| Head-to-head after 20 games | 4 | 16 | |
| Average score | 327.6 | 389.2 | |
| Spread: | -1232 | 1232 | |