Berfu Cengiz  Berfu Cengiz (born 18 October 1999) is a Turkish tennis player. Cengiz has a career-high WTA singles ranking of 326, achieved on 24 December 2018. She also has a career-high WTA doubles ranking of 220, achieved on 13 August 2018. Cengiz won her first major ITF title at the 2018 President's Cup in Astana.