In between Todd Woodbridge and Ekaterina Makarova who turned professional in 1988?
Ekaterina Makarova Ekaterina Valeryevna Makarova (Russian: Екатери́на Вале́рьевна Мака́рова ; ] ; born on 7 June 1988) is a Russian professional tennis player. She achieved her career-high ranking of number 8 on 6 April 2015. Her best Grand Slam singles results have come at the 2014 US Open and the 2015 Australian Open where she reached the semifinals on both occasions. 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.
Tsvetana Pironkova Tsvetana Kirilova Pironkova (Bulgarian: Цветана Кирилова Пиронкова ] ) (born 13 September 1987) is a Bulgarian professional tennis player and the current no. 2 Bulgarian in the WTA rankings. She is right-handed and plays with a two-handed backhand. Born in Plovdiv, Pironkova started playing tennis at the age of four on being introduced to the sport by her father, who later coached her. After playing at a junior level and winning the Atlantic Cup, she made her senior international debut in 2002 at International Tennis Federation tournaments. Early in her career, Pironkova won six international singles titles at the ITF circuit.