| Date | Tournament | State | Round | Graeme Lock Lee | Joan Watson |
|---|---|---|---|---|---|
| 05/04/1999 | Australian Championships | NSW | 5 | 498 | 354 |
| 20/08/2000 | Queensland Championships | QLD | 3 | 301 | 416 |
| 25/08/2002 | Queensland Championships | QLD | 3 | 393 | 272 |
| 24/08/2003 | Queensland Championships | QLD | 15 | 412 | 331 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 401.00 | 343.25 | |||
| Spread | 231 | -231 | |||