| Tournament | Round | Joan Watson | Patricia Shelvey |
| 14.10.2000 Mindbenders Open (QLD) | 1 | 400 | 270 |
| 02.10.2004 Mindbenders Open (QLD) | 1 | 420 | 275 |
| 22.10.2005 Mindbenders Open (QLD) | 2 | 503 | 315 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 441 | 286.66 | |
| Spread: | 463 | -463 | |