Question: Who is the fourth Italian woman to have reached the top 10 in singles, Lukáš Dlouhý or Roberta Vinci?
Sentence (from "Roberta Vinci"): Up until 6 April 2015, she held the position of World No. 1 in doubles, while reaching a career-high of World No. 7 in singles in May 2016.
Relevant evidence: No