Mack Hansen was the hattrick hero as Ireland stormed to 46-19 victory over Australia in the Autumn Nations Series last night.
The Aussie born fullback lead the team to a big victory with the hosts scoring 6 tries at the Aviva Stadium.
Andy Farrell's men welcome world champions South Africa to Dublin next weekend.
The Springboks come into that game off the back of their own 18 point win away to Italy.
Wales needed a stoppage time penalty to beat Japan. Jarrod Evans kicked the winner from close to the sideline to give the hosts a 24-23 victory in Cardiff. That win should ensure their seeding status for the World Cup.