![](https://www.abc.net.au/cm/rimage/12635614-16x9-large.jpg?v=2)
Novak Djokovic defaulted out of US Open after hitting line judge with tennis ball
1:30pm PDT - September 6th, 2020 djokovic - ABC News (AU)The US Open's men's singles is without its number one seed, after a frustrated Novak Djokovic is defaulted from the tournament for hitting a line judge with a ball.