| Tournament | Round | Barbara Berlin | Olga Visser |
| 05.04.1999 Australian Championships (NSW) | 14 | 314 | 448 |
| 16.04.2001 Australian Championships (VIC) | 1 | 488 | 333 |
| 22.08.2004 Queensland Championships (QLD) | 12 | 440 | 352 |
| 09.04.2007 Australian Championships (NSW) | 15 | 403 | 425 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 411.25 | 389.5 | |
| Spread: | 87 | -87 | |