Australian Open 2017

[Thryleon]

His tanking past?  Leaving aside the Hopman Cup which is basically a warm-up, the fiasco with Seppi was just his 2nd game after the Shanghai tank.  Using that sort of logic, all sins are in the past.  He needs to prove himself rather than tanking every 2nd game.

Did he tank against Seppi??

He looked pretty crestfallen regarding losing, and didnt blame anyone but himself for losing sighting poor preparation, poor physical conditioning (which leads to poor mental ability to remain in tight matches).

He does need to prove himself, there is no doubt about that, but this is for him, not everyone else.