| Tournament | Round | Joan Murphy | Lyn Harding |
| 18.01.1998 Coominya (QLD) | 4 | 299 | 308 |
| 22.02.1998 Ipswich (QLD) | 2 | 361 | 280 |
| 17.05.1998 Southport Winter (QLD) | 6 | 422 | 306 |
| 23.08.1998 Queensland Championships (QLD) | 4 | 319 | 317 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 350.25 | 302.75 | |
| Spread: | 190 | -190 | |