see more

Australia's Nick Kyrgios (L) and Bernard Tomic (R) joke about when asked about their relationship by a reporter as Davis Cup captain Lleyton Hewitt (C) looks on at a Davis Cup press conference at the Olympic Park Tennis Centre in Sydney on September 13, 2016. Australia will play Slovakia in Sydney in a crucial World Group playoff tie on September 16 to 18. / AFP / PETER PARKS / IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE (Photo credit should read PETER PARKS/AFP/Getty Images)

Australia's Nick Kyrgios (L) and Bernard Tomic (R) joke about when asked about their relationship by a reporter as Davis Cup captain Lleyton Hewitt (C) looks on at a Davis Cup press conference at the Olympic Park Tennis Centre in Sydney on September 13, 2016.
Australia will play Slovakia in Sydney in a crucial World Group playoff tie on September 16 to 18. / AFP / PETER PARKS / IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE        (Photo credit should read PETER PARKS/AFP/Getty Images)