Six Nations has confirmed the tournament will be completed in October and guidance on potential spectator attendance will follow "in due course".
Jake Gordon scored a hat-trick of tries as the Waratahs produced a stunning first half in a record 45-12 win over the Reds on Saturday.
Sam Cane suffered an injury scare as the Chiefs' miserable Super Rugby Aotearoa campaign ended in a 31-18 defeat at the Hurricanes.
The Crusaders closed on the Super Rugby Aotearoa title with a 32-19 victory over the Chiefs in Hamilton on Saturday.
The Highlanders produced a stunning comeback to edge the Chiefs 33-31 in a Super Rugby Aotearoa thriller on Sunday.
Beauden Barrett's return to the Hurricanes did not go to plan as brother Jordie nailed a late conversion to sink the Blues 29-27 in a Super Rugby Aotearoa thriller.
The Brumbies were victorious once again in Super Rugby AU, though left it late to see off the Reds in Canberra.