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