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