Nick Kyrgios defends exhibition he played with Novak Djokovic after former pro hit out

Nick Kyrgios has hit back at former tennis pro Noah Rubin after he criticised the current World Tennis League exhibition event. Kyrgios and a host of other top stars, including Novak Djokovic, took part in the five day team tournament in Dubai, which was won by Team Kites Team Kites (Felix Auger-Aliassime, Iga Swiatek, Holger Rune and Sania Mirza).