Serbia's Novak Djokovic gestures during a press conference at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 13, 2018.
Serbia's Novak Djokovic gestures during a press conference at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 13, 2018. Vincent Thian AP Photo
Serbia's Novak Djokovic gestures during a press conference at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 13, 2018. Vincent Thian AP Photo

Service ace: Djokovic back with rebuilt serve at Aussie Open

January 13, 2018 04:04 AM