| Date | Tournament | State | Round | Joan Watson | Martin Waterworth |
|---|---|---|---|---|---|
| 23/05/1999 | Brisbane Open | QLD | 1 | 302 | 294 |
| 11/03/2001 | Brisbane Open | QLD | 1 | 448 | 252 |
| 05/05/2002 | Big Weekend Open | QLD | 3 | 478 | 361 |
| 30/06/2002 | North West Open | QLD | 3 | 403 | 353 |
| 27/07/2003 | Newmarket | QLD | 1 | 477 | 298 |
| 24/08/2003 | Queensland Championships | QLD | 13 | 373 | 314 |
| 26/10/2003 | Mindbenders Standard | QLD | 1 | 451 | 366 |
| 13/03/2004 | Redland Bay | QLD | 4 | 370 | 313 |
| 03/10/2004 | Mindbenders Standard | QLD | 1 | 330 | 352 |
| 19/06/2005 | Albert & Logan | QLD | 1 | 410 | 377 |
| 21/08/2005 | Queensland Championships | QLD | 13 | 426 | 405 |
| 30/04/2006 | Charity Weekend | QLD | 4 | 412 | 371 |
| 30/04/2006 | Charity Weekend | QLD | 16 | 304 | 287 |
| 15/07/2007 | Lockyer Valley | QLD | 6 | 497 | 287 |
| 07/10/2007 | Nanango | QLD | 5 | 418 | 324 |
| 28/10/2007 | Mindbenders Tournament | QLD | 6 | 385 | 375 |
| 08/03/2008 | Redland Bay | QLD | 4 | 365 | 350 |
| 04/05/2008 | Queensland Championships | QLD | 15 | 399 | 347 |
| 08/06/2008 | Woomba Wound Wobins | QLD | 4 | 429 | 336 |
| 08/06/2008 | Woomba Wound Wobins | QLD | 10 | 349 | 329 |
| 08/06/2008 | Woomba Wound Wobins | QLD | 14 | 359 | 350 |
| 14/02/2009 | Ipswich | QLD | 5 | 442 | 340 |
| 03/05/2009 | May Play | QLD | 5 | 365 | 452 |
| 05/07/2009 | Coominya | QLD | 5 | 374 | 325 |
| 27/12/2009 | Last Chance | QLD | 5 | 435 | 374 |
| 13/02/2010 | Ipswich | QLD | 6 | 385 | 353 |
| 12/06/2010 | Woomba Wound Wobins | QLD | 6 | 504 | 349 |
| 12/06/2010 | Woomba Wound Wobins | QLD | 13 | 366 | 342 |
| 12/06/2010 | Woomba Wound Wobins | QLD | 15 | 382 | 278 |
| 04/07/2010 | Coominya | QLD | 7 | 410 | 443 |
| Head-to-head after 30 games | 27 | 3 | |||
| Average score | 401.60 | 343.23 | |||
| Spread | 1751 | -1751 | |||