'A big lesson': Djokovic ready to move on from U.S. Open default - Reuters Africa
7:35am PDT - September 14th, 2020 djokovic - ReutersWorld number one Novak Djokovic says he cannot guarantee he will not make a similar mistake that led to his disqualification at the U.S. Open for striking a line judge with a ball but he remains confident it will not affect his tennis in the future.