Stefanos Tsitsipas found another gear when it counted to fend off Jannik Sinner in a five-set thriller and reach the Australian Open quarter-finals in a rare win for the high seeds this Sunday.
Stefanos Tsitsipas found another gear when it counted to fend off Jannik Sinner in a five-set thriller and reach the Australian Open quarter-finals in a rare win for the high seeds this Sunday.