| Tournament | Round | Nan Smith | Doris Schwenn |
| 14.02.1999 South Australian Championships (SA) | 9 | 383 | 329 |
| 13.02.2000 South Australian Championships (SA) | 2 | 380 | 387 |
| 29.06.2000 Bordertown (SA) | 5 | 411 | 451 |
| 16.04.2001 Australian Championships (VIC) | 11 | 368 | 383 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 385.5 | 387.5 | |
| Spread: | -8 | 8 | |