| Tournament | Round | Jan Robertson | Lyn Harding |
| 21.08.1999 Queensland Championships (QLD) | 4 | 326 | 376 |
| 10.10.1999 Greenbank (QLD) | 4 | 375 | 363 |
| 14.04.2002 Brisbane (QLD) | 1 | 340 | 352 |
| 15.11.2003 Cleveland (QLD) | 1 | 361 | 344 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 350.5 | 358.75 | |
| Spread: | -33 | 33 | |