Pat Rafter steps down as Tennis Australia's head of performance, ending his rocky relationship with the country's two polarising stars Nick Kyrgios and Bernard Tomic.

Australian Olympic officials name their tennis line-up for Rio on Monday with the nation's top male stars Nick Kyrgios and Bernard Tomic notably absent.

Controversial Australian Bernard Tomic is ordered to apologise on Thursday after he uses the word "retard" in a Wimbledon press conference.