Australian Open: 'Agitated' Novak Djokovic regrets meltdown in floodlight fury

The Serb angrily blamed floodlights for dropping a tournament set for the first time as he beat Denis Shapovalov 6-3, 6-4, 4-6, 6-0 in the third round.

Serbia's Novak Djokovic rests between games during his third round match against Canada's Denis Shapovalov at the Australian Open tennis championships in Melbourne, Australia. (Photo | AP)