who is nick kyrgios - nick kyrgios biography-nick kyrgios us open 2016 Nicholas Hilmy "Nick" Kyrgios (born 27 April 1995) is an Australian professional tennis player. He won the boys' singles event at the 2013 Australian Open and the boys' doubles event at the 2013 Wimbledon Championships. Kyrgios' biggest achievements to date are reaching the quarterfinals of the 2014 Wimbledon Championships - defeating ATP number 1 Rafael Nadal and Richard Gasquet en route - and the quarterfinals of the 2015 Australian Open. Sub: ******