| Date | Tournament | State | Round | Olga Visser | John Hamilton |
|---|---|---|---|---|---|
| 05/10/2009 | NSW CHAMPIONSHIPS | NSW | 5 | 320 | 393 |
| 23/01/2010 | CITY OF SYDNEY | NSW | 15 | 409 | 383 |
| 26/09/2010 | Moss Vale | NSW | 1 | 509 | 258 |
| 21/04/2011 | Championship WARMUP 2 | ACT | 2 | 369 | 380 |
| 01/10/2012 | NSW Championships | NSW | 4 | 396 | 417 |
| 01/10/2012 | NSW Championships | NSW | 15 | 419 | 383 |
| 28/01/2013 | CITY OF SYDNEY MASTERS | NSW | 17 | 352 | 440 |
| Head-to-head after 7 games | 3 | 4 | |||
| Average score | 396.29 | 379.14 | |||
| Spread | 120 | -120 | |||