| Tournament | Round | Maree Heynen | Svend Grunnet |
| 06.02.2005 Kempsey (NSW) | 7 | 252 | 393 |
| 24.11.2007 CENTRAL COAST CHAMPS (NSW) | 9 | 319 | 293 |
| 03.05.2009 May Play (QLD) | 5 | 292 | 452 |
| 24.10.2009 Redcliffe ABC (QLD) | 6 | 361 | 374 |
| 02.05.2010 May Sunday (QLD) | 3 | 354 | 376 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 315.6 | 377.6 | |
| Spread: | -310 | 310 | |