| Tournament | Round | Dianne Ward | Olga Visser |
| 01.04.2002 Australian Championships (WA) | 12 | 423 | 487 |
| 12.04.2004 Australian Championships (ACT) | 19 | 321 | 369 |
| 13.09.2008 MASTERS AND STATE CHALLENGE TROPHY (VIC) | 5 | 343 | 396 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 22 | 389 | 375 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 369 | 406.75 | |
| Spread: | -151 | 151 | |