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