| Tournament | Round | Olga Visser | Svend Grunnet |
| 02.10.2004 Mindbenders Open (QLD) | 2 | 336 | 369 |
| 13.08.2006 Magnetic Island Sun (QLD) | 1 | 377 | 234 |
| 18.08.2006 Rockhampton (QLD) | 6 | 376 | 345 |
| 19.08.2006 Gladstone (QLD) | 4 | 493 | 313 |
| 20.08.2006 Bundaberg (QLD) | 3 | 400 | 389 |
| 27.10.2007 Mindbenders Open (QLD) | 2 | 426 | 273 |
| 18.07.2010 Going Cheap (QLD) | 6 | 372 | 308 |
| 29.08.2010 Qld Championships (QLD) | 3 | 446 | 360 |
| 12.03.2011 Redland Bay (QLD) | 5 | 364 | 349 |
| 03.07.2011 Coominya (QLD) | 2 | 351 | 440 |
| 06.08.2011 Magnetic Is Saturday (QLD) | 4 | 579 | 280 |
| 29.10.2011 Redcliffe Saturday (QLD) | 3 | 333 | 406 |
| 30.10.2011 Redcliffe Sunday (QLD) | 2 | 366 | 335 |
| 07.05.2012 Alzheimer's FR Monday (QLD) | 1 | 407 | 295 |
| Head-to-head after 14 games | 11 | 3 | |
| Average score | 401.85 | 335.42 | |
| Spread: | 930 | -930 | |