Which player has had more singles appearances, Casey Dellacqua or Olga Morozova?
Olga Morozova Olga Vasilyevna Morozova (Russian: Ольга Васильевна Морозова ) (born 22 February 1949) is a retired female tennis player who competed for the Soviet Union. She was the runner up in singles at the 1974 French Open and 1974 Wimbledon Championships.
Varvara Flink Varvara Alexandrovna Flink (Russian: Варвара Александровна Флинк ; born 13 December 1996) is a Russian tennis player. She achieved her career high WTA singles ranking of 218 on 14 November 2016. Flink won her first ITF singles title on 21 May 2017. In doubles, Flink has two ITF titles. The first was in Monastir, Tunisia, in 2012. By winning the doubles title, Flink reached her highest doubles ranking of 471 on 1 April 2013. Flink reached two singles semifinals in 2013, one in Dubrovnik and the other in Seoul.