| Tournament | Round | Marie London | Doris Schwenn |
| 15.04.1998 Australian Championships (TAS) | 2 | 319 | 546 |
| 05.04.1999 Australian Championships (NSW) | 8 | 380 | 375 |
| 12.04.2004 Australian Championships (ACT) | 17 | 410 | 286 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 369.66 | 402.33 | |
| Spread: | -98 | 98 | |