Roger Federer enters his 30th Grand Slam final
Swiss tennis player Roger Federer entered his 30th Grand Slam final, after 21-year-old South Korean Hyeon Chung retired due to injury in the Australian Open semi-final on Friday. Federer, gunning for his 20th Grand Slam and sixth Australian Open title, will face world number six Marin Cilic on Sunday, in a rematch of 2017's Wimbledon final, which Federer had won. 