Novak Djokovic: 'Borna Coric is a great fighter and a friend of mine'

World no. 1 Novak Djokovic is through to the quarter-final in Vienna, beating Borna Coric 7-6, 6-3 in two hours in seven minutes. With these points, Novak has achieved the year-end no. 1 honor for the sixth time in the last ten years, matching Pete Sampras' record and reaching another milestone in a historic season. Like against Filip Krajinovic in the opening match, Djokovic had to work hard in the opener and overpowered Borna in set number two. The Serb saved three break points in the first se