Slovakia’s Dominika Cibulkova announces retirement from tennis

(G.N.S) Dt. 13 Bratislava Dominika Cibulkova, once ranked world number four tennis player, announced her retirement. 30-year-old Dominika of Slovakia has also been runner-up of the Australian Open. She won eight WTA singles titles and came in the top four in 2017. Dominica won their biggest title in 2016 when