Reigning Australian Open champion must deliver in two key areas to go deep.
"A very small majority chose to follow their own way, which kind of makes the majority look like fools," Stefanos Tsitsipas said.
The Czech legend pulls no punches in a television interview.
Federal officials are "still preparing" a case to cancel Novak Djokovic's visa, Australian media reports.
The Czech spoke of the horrible experience, and has received support from the WTA and PTPA.
The Spaniard thinks the "circus" is not helping anybody.
US Open finalist will wear lululemon at next week's Australian Open.
