| Tournament | Round | Trevor Tao | Dorothy Barraclough |
| 23.10.2010 Vic/SA Border Challenge (VIC) | 6 | 480 | 234 |
| 07.10.2012 Vic/SA Border Challenge (VIC) | 10 | 395 | 279 |
| 14.07.2013 SA/Vic Border Challenge (SA) | 10 | 342 | 259 |
| 19.10.2014 SA/Vic Border Challenge (VIC) | 9 | 365 | 298 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 395.5 | 267.5 | |
| Spread: | 512 | -512 | |