| Tournament | Round | Joan Watson | Graeme Lock Lee |
| 05.04.1999 Australian Championships (NSW) | 5 | 354 | 498 |
| 20.08.2000 Queensland Championships (QLD) | 3 | 416 | 301 |
| 25.08.2002 Queensland Championships (QLD) | 3 | 272 | 393 |
| 24.08.2003 Queensland Championships (QLD) | 15 | 331 | 412 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 343.25 | 401 | |
| Spread: | -231 | 231 | |