| Tournament | Round | Ray Harvey | Betty Mitchell |
| 19.07.1998 July (SA) | 5 | 343 | 349 |
| 18.04.1999 Victor Harbour (SA) | 6 | 220 | 341 |
| 23.05.1999 May (SA) | 2 | 301 | 424 |
| 25.07.1999 July (SA) | 6 | 362 | 363 |
| 22.08.1999 August (SA) | 5 | 321 | 336 |
| 24.10.1999 October (SA) | 1 | 233 | 421 |
| Head-to-head after 6 games | 0 | 6 | |
| Average score | 296.66 | 372.33 | |