Mildura Lawn Tennis Club coach Bill Madafferi is a former ATP player and he joins the Sunraysia Daily sports team to look at tennis issues.
WHEN Novak Djokovic hit a linesperson at the US Open he broke the rules.
Tennis
Even pros need to know rules
Novak Djokovic tries to help a linesperson after hitting her with a ball in the throat during his match against Pablo Carreno Busta on the seventh day of the US Open. Djokovic was defaulted from the tournament. Picture: Jason Szenes/EPA
