By Andrew Gamble Novak Djokovic fired a cheeky shot at tennis icon Andre Agassi, insisting the American’s presence at his opening Australian Open game distracted him. Djokovic – a 10-time winner at Melbourne Park – is looking to win a 25th Grand Slam title, that would take his major total past Margaret Court, the all-time leader. With eight-time Grand Slam champion Agassi watching on, the Serb was made to work hard for his opening-round win at the 2024 Australian Open on Sunday. Djokovic took on qualifier Dino Prizmic for nearly four hours before he finally secured the 6-2 6-7 (5) 6-3 6-4 win …