mo4ch:>Meet Dayana Yastremska, the 18-year-old whose Aus Open tears 'broke' Serena's heart (PHOTOS) | Mo4ch News

Dayana Yastremska broke Serena Williams's heart when she broke down after losing to the 23-time Grand Slam champion at the Australian Open on Saturday. Here RT sport gives you the lowdown on the Ukrainian teenage tennis sensation.Odessa native Yastremska was dumped out of the 2019 Grand Slam season opener, losing in straight sets 6-2, 6-1 to her childhood "idol" Williams, who is favorite for the title and to win a record-equalling 24th major, at Rod Laver Arena, which reduced her to tears on the match's conclusion.Noticing Yastremska had become upset, Williams nobly strode over to the young pro to console her, telling the world number 57 "you did amazing, don't cry!" and sharing an embrace.Yastremska seemed to take it in her stride, later posting on Instagram..."Learned here in Australian Open a great lesson for the future to come. The season has just started!" and sharing a touching Instagram story of the moment Williams comforted her with th…