<prompt> Bhala okuqhubekayo kwalesi sigaba - Esememezele ngaphambilini izinhloso zakhe zokuthatha umhlalaphansi ngemuva kwe-Australian Open ka-2016, uHewitt uqinisekisile ukuthi isizini yakhe yokugcina izoba yilokho, iHopman Cup  <response>: nombukiso weWorld Tennis Challenge. 