| Tournament | Round | Joan Murphy | Thelma Leadbetter |
| 11.10.1998 Greenbank (QLD) | 3 | 353 | 280 |
| 10.01.1999 Coominya Summer (QLD) | 5 | 263 | 306 |
| 21.02.1999 Ipswich (QLD) | 3 | 247 | 283 |
| 28.11.1999 Southport (QLD) | 6 | 267 | 296 |
| 02.04.2000 Brisbane Open (QLD) | 6 | 305 | 266 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 287 | 286.2 | |
| Spread: | 4 | -4 | |