Novak Djokovic wins Vienna opener

Novak Djokovic defeated Filip Krajinovic in the first round in Vienna on Tuesday to edge closer to Pete Sampras's all-time record of ending the year as world number one on six occasions. Djokovic beat compatriot Krajinovic 7-6 (8/6), 6-3 and needs to win his next match in Austria against Borna Coric to ensure he equals the...