| Tournament | Round | Doris Schwenn | Olga Visser |
| 16.04.2001 Australian Championships (VIC) | 2 | 433 | 361 |
| 09.03.2002 South Australian Championships (SA) | 2 | 377 | 319 |
| 21.04.2003 Australian Championships (SA) | 7 | 310 | 373 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 373.33 | 351 | |
| Spread: | 67 | -67 | |