Defending women's champion Angelique Kerber, is up against fellow German Tatjana Maria on Tuesday, after the draw was made at the All England Club on Friday. Ashleigh Barty, first seed and new world number one will play China's Zheng Saisai - whilst seven-time champion Serena Williams was drawn against Italy's Giulia Gatto-Monticone. 15-year-old Cori Gauff is the youngest player to qualify for the Wimbledon draw since 1968 - when it first began - she will face Grand Slam Venus Williams in the first round.