| Date | Tournament | State | Round | Olga Visser | Ivor Zetler |
|---|---|---|---|---|---|
| 30/01/2000 | City of Sydney International Masters | NSW | 7 | 373 | 366 |
| 14/07/2001 | Chatswood | NSW | 2 | 392 | 402 |
| 27/01/2003 | City of Sydney International Masters | NSW | 10 | 472 | 341 |
| 25/01/2004 | City of Sydney International Masters | NSW | 16 | 225 | 395 |
| 18/07/2004 | Winter Masters | NSW | 11 | 453 | 339 |
| 18/07/2004 | Winter Masters | NSW | 16 | 454 | 354 |
| 24/03/2008 | Australian Championship | VIC | 15 | 469 | 288 |
| 04/10/2010 | NSW Championships | NSW | 22 | 316 | 501 |
| 03/10/2011 | NSW Championships | NSW | 6 | 461 | 386 |
| 03/10/2011 | NSW Championships | NSW | 24 | 365 | 305 |
| 29/01/2012 | CITY OF SYDNEY MASTERS | NSW | 19 | 379 | 311 |
| 01/10/2012 | NSW Championships | NSW | 17 | 408 | 369 |
| 27/01/2014 | City of Sydney International Masters | NSW | 21 | 412 | 316 |
| 26/01/2015 | City of Sydney International Masters | NSW | 18 | 319 | 362 |
| 28/01/2018 | City of Sydney International Masters | NSW | 9 | 301 | 392 |
| 28/01/2018 | City of Sydney International Masters | NSW | 20 | 409 | 361 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 9 | 381 | 454 |
| 03/11/2022 | Seniors Championship | NSW | 11 | 343 | 423 |
| Head-to-head after 18 games | 11 | 7 | |||
| Average score | 385.11 | 370.28 | |||
| Spread | 267 | -267 | |||