The Brumbies defeated the Western Force 27-11 in their opening Super Rugby AU match in Perth on Friday.
The Reds kicked off the 2021 Super Rugby AU season with a superb 41-7 victory over the Waratahs - their biggest win ever over their arch-rivals.
The Brumbies claimed their biggest ever win over the Waratahs with a 61-10 thrashing at GIO Stadium in Canberra on Saturday.
The Reds delivered a high-tempo performance to eventually earn a 23-21 victory over the Rebels in their Round 2 Super Rugby AU clash in Brisbane on Friday.
Replacement halfback Ryan Lonergan nailed a penalty kick from 55 metres out in injury time as the Brumbies snatched an unlikely 27-24 victory over the Rebels in Canberra.
The Western Force managed to grind out a 16-20 Super Rugby AU win over the Waratahs despite finishing with 14 men.
This round is yet to be played
The Crusaders started the defence of their Super Rugby Aotearoa title with a hard-fought 26-13 victory over the Highlanders in Dunedin.
The Crusaders earned their second Super Rugby Aotearoa win with a dominant 33-16 win over the Hurricanes in Christchurch on Sunday.
The Highlanders fought back from 20-6 down to beat the Chiefs 39-23 at the Waikato Stadium and secure their first Super Rugby Aotearoa victory of the season.