| Tournament | Round | Jean de Neef | Glenys Dettmann |
| 23.01.2011 Aestival Festival (VIC) | 5 | 326 | 323 |
| 13.06.2011 Queens Birthday (VIC) | 2 | 273 | 353 |
| 14.08.2011 2011 Vic AGM (VIC) | 2 | 287 | 367 |
| 12.02.2012 CAMBERWELL (VIC) | 4 | 363 | 385 |
| 10.02.2013 Camberwell (VIC) | 4 | 272 | 349 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 304.2 | 355.4 | |
| Spread: | -256 | 256 | |