Novak Djokovic sparred with a reporter after his Australian Open win that sent him to the semifinals after the journalist's suggestion that the 24-time Grand Slam champion has spent his career "chasing" his rivals. Djokovic, 38, defeated fifth-seeded Lorenzo Musetti in the quarterfinals Wednesday to set up a semifinal matchup against two-time winner Jannik Sinner. CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM"I’m chasing Jannik and Carlos? I don't feel like I'm chasing. CLICK HERE TO DOWNLOAD THE FOX NEWS APPDjokovic is chasing a historic 25th Grand Slam title when he faces Sinner in the semifinals Thursday.