Not-So-Hidden Cameras Take Australian Open Viewers on an Intimate Tour. Tennis, Australian Open (Tennis), Bajin, Sascha, Djokovic, Novak, Federer, Roger, Halep, Simona, Monfils, Gael, Mouratoglou, Patrick, Osaka, Naomi (1997- ), Tsitsipas, Stefanos, Williams, Serena, Australia