Novak Djokovic was playing his first tournament of the year in preparation for the Australian Open which he has won 10 times.
The newly opened pharmacy store would provide generic medicines at 70 to 80 per cent cheap rates as compared to the market.
Novak Djokovic was beaten 7-6 (6), 6-3 by big-serving Reilly Opelka in the Brisbane International quarterfinals on Friday.