| Tournament | Round | Margaret Schlenk | Judith Timoney |
| 21.03.1998 February (SA) | 1 | 487 | 381 |
| 19.07.1998 July (SA) | 6 | 339 | 439 |
| 16.01.1999 January (SA) | 5 | 457 | 338 |
| 25.07.1999 July (SA) | 5 | 271 | 345 |
| 24.10.1999 October (SA) | 5 | 380 | 338 |
| 21.10.2000 Unley October (SA) | 5 | 309 | 361 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 373.83 | 367 | |
| Spread: | 41 | -41 | |