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.
Anastasia Pivovarova Anastasia Olegovna Pivovarova (Russian: Анастасия Олеговна Пивоварова , born 16 June 1990) is a professional tennis player from Russia who reached a career high of 93 in May 2011. During a successful junior career, Pivovarova was ranked as high as No. 2.