Who won more double titles, Billy Martin or Helena Suková?
Helena Suková Helena Suková (] ) (born 23 February 1965) is a former professional tennis player from the Czech Republic. During her career, she won 14 Grand Slam doubles titles, 9 of them in women's doubles and 5 of them in mixed doubles. She also was a four-time Grand Slam singles runner-up and won 10 singles titles and 69 doubles titles.
Julia Lutrova Julia Lutrova (Russian: Юлия Лютрова ; born 9 January 1975) is a former Russian tennis player.