| Tournament | Round | Janet Prider | Joan Ashton |
| 23.08.1998 August (SA) | 5 | 386 | 280 |
| 22.11.1998 Xmas (SA) | 6 | 366 | 282 |
| 22.08.1999 August (SA) | 5 | 326 | 308 |
| 21.11.1999 November (SA) | 4 | 332 | 403 |
| 24.07.2000 July (SA) | 5 | 302 | 299 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 342.4 | 314.39 | |
| Spread: | 140 | -140 | |