| Date | Tournament | State | Round | Olga Visser | John Holgate |
|---|---|---|---|---|---|
| 27/01/2001 | City of Sydney International Masters | NSW | 1 | 259 | 517 |
| 22/07/2001 | Winter Masters | NSW | 12 | 392 | 416 |
| 01/10/2001 | New South Wales Championships | NSW | 4 | 393 | 376 |
| 19/01/2002 | Baulkham Hills Kick-off | NSW | 4 | 320 | 486 |
| 21/07/2002 | Winter Masters | NSW | 19 | 415 | 401 |
| 06/10/2003 | NSW Championships | NSW | 17 | 389 | 396 |
| 18/07/2004 | Winter Masters | NSW | 2 | 264 | 537 |
| 03/10/2005 | New South Wales Championships | NSW | 23 | 289 | 494 |
| 28/01/2007 | City of Sydney International Masters | NSW | 2 | 299 | 498 |
| 22/07/2007 | Winter Masters | NSW | 17 | 324 | 498 |
| 30/01/2011 | City of Sydney International Masters | NSW | 3 | 335 | 489 |
| 16/06/2012 | Wollongong WORDS Winter | NSW | 1 | 327 | 439 |
| 28/01/2013 | CITY OF SYDNEY MASTERS | NSW | 4 | 354 | 363 |
| 26/01/2015 | City of Sydney International Masters | NSW | 1 | 335 | 437 |
| 06/11/2015 | Perth International | WA | 6 | 368 | 454 |
| 26/01/2018 | Australia Day Open | NSW | 4 | 344 | 530 |
| 28/01/2018 | City of Sydney International Masters | NSW | 6 | 395 | 401 |
| Head-to-head after 17 games | 2 | 15 | |||
| Average score | 341.29 | 454.82 | |||
| Spread | -1930 | 1930 | |||