Porte rode clear from a strong chase group at the bottom of final climb, takes first strike in battle for overall.
Warm hospitality, blue skies and easy logistics make Tour Down Under a success for riders - even if it is on the other side of the world.
Mitchelton-Scott enjoyed a banner season in 2019, with four stage wins in the Tour de France that sport directors admit will be hard to match.
This year the Tour de France's first rest day falls a day later than normal, and after an opening week of challenging stages
Adam Yates returns to the Tour de France as Mitchelton-Scott's GC favorite. HIs chief lieutenant will be his brother, Simon.