| Tournament | Round | Marjorie Clark | John van der Schoor |
| 22.11.2003 Paynesville (VIC) | 5 | 332 | 296 |
| 20.08.2006 Mornington (VIC) | 4 | 351 | 324 |
| 20.07.2008 NUNAWADING (VIC) | 4 | 378 | 369 |
| 10.08.2008 MORNINGTON (VIC) | 4 | 319 | 380 |
| 17.08.2008 GWEN CHADWICK (VIC) | 1 | 413 | 261 |
| 18.01.2009 Aestival (VIC) | 6 | 350 | 309 |
| 24.05.2009 Cranbourne (VIC) | 2 | 341 | 389 |
| 20.11.2011 Bentleigh (VIC) | 2 | 416 | 313 |
| 11.06.2012 QUEEN'S BIRTHDAY (VIC) | 1 | 281 | 384 |
| 19.08.2012 Midwinter (VIC) | 7 | 362 | 360 |
| 10.06.2013 QUEEN'S BIRTHDAY (VIC) | 4 | 347 | 281 |
| 10.11.2013 Geelong (VIC) | 6 | 325 | 372 |
| 13.04.2014 FRANKSTON NORTH APRIL (VIC) | 1 | 402 | 284 |
| 24.08.2014 Interfund1 (VIC) | 4 | 341 | 291 |
| 14.09.2014 Interfund 2 (VIC) | 7 | 331 | 260 |
| 01.02.2015 CAMBERWELL (VIC) | 3 | 361 | 333 |
| Head-to-head after 16 games | 12 | 4 | |
| Average score | 353.12 | 325.37 | |
| Spread: | 444 | -444 | |