| Tournament | Round | Joan Watson | Jack Ashwin |
| 18.01.1998 Coominya (QLD) | 6 | 301 | 371 |
| 03.05.1998 Maelstrom (QLD) | 5 | 400 | 376 |
| 07.06.1998 Millmerran (QLD) | 6 | 354 | 367 |
| 02.05.1999 Maelstrom (QLD) | 5 | 411 | 328 |
| 09.01.2000 Coominya Summer (QLD) | 1 | 331 | 387 |
| 18.03.2000 Redland Bay (QLD) | 6 | 469 | 286 |
| 02.04.2000 Brisbane Open (QLD) | 5 | 399 | 457 |
| 14.10.2000 Mindbenders Open (QLD) | 6 | 359 | 392 |
| 31.03.2001 Albert & Logan (QLD) | 2 | 428 | 266 |
| 05.05.2002 Big Weekend Open (QLD) | 5 | 343 | 351 |
| 19.10.2002 Mindbenders Open (QLD) | 3 | 324 | 342 |
| 20.10.2002 Mindbenders Standard (QLD) | 5 | 419 | 344 |
| 10.11.2002 Redcliffe (QLD) | 2 | 346 | 378 |
| 09.02.2003 Ipswich (QLD) | 2 | 447 | 392 |
| 02.05.2004 Charity Open (QLD) | 1 | 370 | 338 |
| 29.08.2009 Qld Champs Sat (QLD) | 2 | 474 | 304 |
| Head-to-head after 16 games | 8 | 8 | |
| Average score | 385.93 | 354.93 | |
| Spread: | 496 | -496 | |