Australia chasing wickets to assert dominance on third Test.
The endless negotiations have continued, with Arum saying a deal is on the table for the bout should Pacquiao be interested in fighting the former Olympian in Brisbane.
Yulia Efimova will race during the weekend in Sydney as part of an Australian trip that also includes scouting for a potential coach.
Tomic withdrew from his first round citing extreme heat, while Kyrgios had another run-in with a spectator.
Grant Hackett has let his dad know he is "sober and safe" but remains in hiding after he was reported missing by his family.
Olympian Grant Hackett has been taken into police custody on the Gold Coast.
The swimming great has once again lost his way as he deals with complex and serious health concerns.
Manny Pacquiao has asked fans to vote his next opponent for a bout to be held in the UAE but Duco Events are steadfastly saying Brisbane remains on the table until powerful promoter Bob Arum says otherwise.
Australia's biggest fight now stands on uncertain ground with Manny Pacquiao's advisor saying it was '100 per cent' to be held in the UAE instead of Suncorp Stadium. But Duco haven't given up hope of a bout in Horn's home of Brisbane.
Waratahs assistant coach Nathan Grey says his side failed to chance their arm on the opening day of the Brisbane Global Tens as NSW look set for an early exit from the inaugural tournament at Suncorp Stadium.