Tennis - Djokovic beats Van de Zandschulp to make Australian Open fourth round

By Shrivathsa Sridhar MELBOURNE, Jan 24 (Reuters) - Novak Djokovic escaped the heat and doused Dutchman Botic van de Zandschulp 6-3 6-4 7-6(4) at the Australian Open on Saturday to reach the fourth round and add another line in the record book during his bid for a standalone 25th Grand Slam title. With his 102nd match victory at Melbourne, the evergreen Serb equalled six-times champion Roger