- Novak Djokovic retires from Australian Open semifinal due to injury CNN
- Novak Djokovic Retires Against Alexander Zverev, Australian Open Fans Boo Sports Illustrated
- Injured Djokovic quits mid-match and walks off to boos, putting Zverev in the Australian Open final The Associated Press
- Sinner battles past cramps and Shelton to reach second straight Aus Open final ABC News
- Australian Open: Injured Novak Djokovic booed after withdrawing, setting up final between Alexander Zverev and defending champion Jannik Sinner Yahoo Sports