The Brumbies have extended their lead in super rugby's Australian conference with a 23-6 victory over the Waratahs in Canberra.
The Brumbies moved to 35 points on the table, nine ahead of the Waratahs (26), who are now ninth overall and in danger of missing out on the top six playoffs.
Each of the three conference winners advance automatically with the three teams with the next best overall records also qualifying.
The Brumbies led 13-6 at the break.
