Novak Djokovic was made to earn his victory against Quentin Halys, outlasting the 64th-ranked Frenchman 7-6 (3) 7-6 (5) in their round of 16 clash at the Adelaide International 1.
The Serbian world number five endured a slow start to take the first set in a tiebreaker, and found himself again trailing 5-3 in the second.
