Sinner shows aggressive side to book quarter-final spot

World No.2 Jannik Sinner has survived a stern test from Joao Fonseca to reach the quarter-finals of the Indian Wells tennis tournament.

Sinner was pushed hard by the 19-year-old Brazilian, trailing 3-6 in the first-set tiebreak before rallying to close out the match 7-6 (8-6) 7-6 (7-4) in the…