| Date | Tournament | State | Round | Olga Visser | Barry Harridge |
|---|---|---|---|---|---|
| 16/04/2001 | Australian Championships | VIC | 18 | 411 | 401 |
| 21/04/2003 | Australian Championships | SA | 16 | 434 | 369 |
| 29/01/2006 | City of Sydney International Masters | NSW | 5 | 340 | 394 |
| 31/07/2010 | TOWNSVILLE 2010 | QLD | 5 | 401 | 521 |
| 06/08/2011 | Magnetic Is Saturday | QLD | 2 | 308 | 410 |
| 29/07/2012 | Cairns | QLD | 2 | 260 | 320 |
| 05/08/2012 | Townsville Sunday | QLD | 3 | 324 | 465 |
| 25/08/2019 | WESPA Seniors 2019 | QLD | 20 | 401 | 391 |
| 03/11/2022 | Seniors Championship | NSW | 14 | 329 | 324 |
| Head-to-head after 9 games | 4 | 5 | |||
| Average score | 356.44 | 399.44 | |||
| Spread | -387 | 387 | |||