Sixth-seeded Novak Djokovic had 36 winners against 12 unforced errors while outlasting fifth-seeded Stefanos Tsitsipas 6-2, 3-6, 7-6 (4) on Saturday to reach th
Sixth-seeded Novak Djokovic had 36 winners against 12 unforced errors while outlasting fifth-seeded Stefanos Tsitsipas 6-2, 3-6, 7-6 (4) on Saturday to reach th