Australian Open announces switch to final-set tie-breaks for 2019 tournament Dec 21, 2018 16:40:44 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Carl LaFong on Dec 21, 2018 16:40:44 GMT Winner will be first to 10 points in a tie-break triggered at 6-6French Open is the only grand slam to keep a long deciding setwww.theguardian.com/sport/2018/dec/21/australian-open-brings-in-final-set-tie-breaks-for-2019-tournament-tennis