| Tournament | Round | Elizabeth Ho | Olga Visser |
| 02.08.1998 Kooralbyn (QLD) | 6 | 405 | 424 |
| 21.08.1999 Queensland Championships (QLD) | 4 | 367 | 442 |
| 27.01.2001 City of Sydney International Masters (NSW) | 14 | 353 | 314 |
| 27.01.2002 City of Sydney International Masters (NSW) | 10 | 377 | 376 |
| 25.04.2004 Lismore (NSW) | 6 | 377 | 425 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 375.8 | 396.2 | |
| Spread: | -102 | 102 | |