| Date | Tournament | State | Round | Olga Visser | Chris May |
|---|---|---|---|---|---|
| 30/01/2000 | City of Sydney International Masters | NSW | 13 | 232 | 524 |
| 21/07/2002 | Winter Masters | NSW | 12 | 450 | 340 |
| 12/04/2004 | Australian Championships | ACT | 12 | 361 | 490 |
| 28/11/2004 | Southport | QLD | 6 | 395 | 460 |
| 30/01/2005 | City of Sydney International Masters | NSW | 12 | 305 | 459 |
| 03/10/2005 | New South Wales Championships | NSW | 2 | 358 | 480 |
| 04/02/2007 | Kempsey Challenge | NSW | 9 | 334 | 558 |
| 04/10/2008 | NSW CHAMPIONSHIPS 08 | NSW | 10 | 428 | 427 |
| 25/01/2009 | City of Sydney International Masters | NSW | 14 | 302 | 506 |
| 25/04/2011 | Aus Championship | ACT | 2 | 366 | 526 |
| Head-to-head after 10 games | 2 | 8 | |||
| Average score | 353.10 | 477.00 | |||
| Spread | -1239 | 1239 | |||