| Tournament | Round | Lorraine Robinson | Tess Robinson |
| 21.08.2004 Ballarat (VIC) | 1 | 331 | 320 |
| 29.01.2005 Ballarat (VIC) | 5 | 204 | 337 |
| 02.09.2006 Ballarat (VIC) | 2 | 365 | 298 |
| 31.01.2009 Ballarat (VIC) | 1 | 386 | 251 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 321.5 | 301.5 | |
| Spread: | 80 | -80 | |