Question: In between Todd Woodbridge and Ekaterina Makarova who turned professional in 1988?
Sentence (from "Ekaterina Makarova"): Makarova is a four-time Grand Slam champion in doubles competition, having won the 2012 US Open mixed doubles tournament with Bruno Soares, and the 2013 French Open, the 2014 US Open and 2017 Wimbledon Championships with Elena Vesnina.
Relevant evidence: No