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