Nick Kyrgios and Bernard Tomic were named in Australia's Davis Cup team along with doubles specialists John Peers and Sam Groth
Instead of Nick Kyrgios and Bernard Tomic, World No.414 Thanasi Kokkinakis makes his return to the squad with World No.67 John Millman.
Nick Kyrgios received a code violation at the French Open for shouting at a ball boy and was fined for an audible obscenity during his thrashing at the hands of Richard Gasquet
Bernard Tomic said he will not represent Australia at 2016 Rio Olympics, with officials responding that they only want dedicated athletes on their Rio team
Nick Kyrgios and Bernard Tomic have been put on notice by Australia's chef de mission and have been warned that any misbehavior could see them not representing the country in the Olympics.
Bernard Tomic held his racquet the wrong way round and made no attempt to return Fognini's serve in bowing out in the first round of the Madrid Masters
Australia's chef de mission Kitty Chiller has indirectly warned Nick Kyrgios and Bernard Tomic that bad behaviour will not be tolerated in Rio Olympics.
While in conversation with Davis Cup team captain Lleyton Hewitt, television microphones caught Bernard Tomic muttering: "Nick's sitting down in Canberra. B******* he's sick."
John Isner delivered a 6-4, 6-4, 5-7, 7-6 (7/4) victory over Australia's Bernard Tomic in two hours 15 minutes in the fourth rubber to help United States clinch the tie with an unassailable 3-1 lead.
Bernard Tomic came from behind to defeat Alexandr Dolgopolov 1-6, 6-4, 6-3 in the semi-finals of the Mexico Open.
Australia's Davis Cup captain Lleyton Hewitt has named Nick Kyrgios, Bernard Tomic, Sam Groth and doubles specialist John Peers in his team.
Roger Federer admitted that he made the comments thinking Bernard Tomic was still ranked at about 50th in the world. When he checked the rankings, he realised he had risen to 17.
Andy Murray downed the 16th-seeded Bernard Tomic 6-4, 6-4, 7-6 (7/4) in two hours, 30 minutes to end home interest in the competition and set up a last-eight Australian Open match with Spanish eighth seed David Ferrer.
Andy Murray, whose wife Kim Sears is pregnant, was playing on the neighbouring Margaret Court Arena unaware of the emergency, and he rushed to see his father-in-law in hospital after coming off court.
Bernard Tomic reportedly clashed with security and staff over a practice court during his Australian Open build-up at the Royal Pines resort on Australia's Gold Coast.
Roger Federer, after showing signs of fatigue in the second, took a quick break before the third, and then went on a roll to set up three match points in the ninth game.
Showman Kyrgios, 20, has made headlines for all the wrong reasons with his slur at Stan Wawrinka in August sparking stinging criticism from fellow players.