| Date | Tournament | State | Round | Joan Watson | Derek McKenzie |
|---|---|---|---|---|---|
| 06/10/1996 | Greenbank | QLD | 1 | 329 | 389 |
| 11/10/1998 | Greenbank | QLD | 5 | 362 | 409 |
| 21/02/1999 | Ipswich | QLD | 4 | 281 | 444 |
| 21/08/1999 | Queensland Championships | QLD | 7 | 329 | 377 |
| 20/02/2000 | Ipswich | QLD | 6 | 462 | 390 |
| 20/08/2000 | Queensland Championships | QLD | 12 | 367 | 389 |
| 25/08/2002 | Queensland Championships | QLD | 7 | 414 | 360 |
| 25/08/2002 | Queensland Championships | QLD | 17 | 324 | 369 |
| 23/02/2008 | Early Warm-Up | QLD | 4 | 276 | 490 |
| 04/05/2008 | Queensland Championships | QLD | 5 | 378 | 394 |
| Head-to-head after 10 games | 2 | 8 | |||
| Average score | 352.20 | 401.10 | |||
| Spread | -489 | 489 | |||