| Tournament | Round | Ian Close | Olga Visser |
| 01.10.2001 New South Wales Championships (NSW) | 1 | 348 | 438 |
| 01.10.2001 New South Wales Championships (NSW) | 20 | 405 | 407 |
| 27.01.2002 City of Sydney International Masters (NSW) | 16 | 412 | 371 |
| 27.01.2003 City of Sydney International Masters (NSW) | 7 | 395 | 371 |
| 29.01.2006 City of Sydney International Masters (NSW) | 10 | 307 | 407 |
| 02.10.2006 New South Wales Championships (NSW) | 2 | 400 | 334 |
| 09.04.2007 Australian Championships (NSW) | 8 | 404 | 349 |
| 09.04.2007 Australian Championships (NSW) | 14 | 345 | 405 |
| 04.10.2010 NSW Championships (NSW) | 8 | 346 | 343 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 373.55 | 380.55 | |
| Spread: | -63 | 63 | |