Career
She reached a career high ranking in singles of World number 109 on 19 July 2010. High ranking in doubles of World number 148 on 8 October 2007. She retired from tennis in 2012.
Ferguson has undergone coaching from Australian tennis legend Tony Roche.
In 2005, Ferguson got entry in the 2005 Australian Open as a wildcard. She defeated Nuria Llagostera Vives 2-6, 7-6(6), 6-4 in the first round before falling to Nadia Petrova in the second round.
At the 2007 Australian Women"s Hardcourts she defeated former world number 8 Ai Sugiyama. Sophie received a wildcard to play in the 2007 Sony Ericsson International but lost in the first round against Jelena Kostanic Tosic.
She made an impressive start but failed at the end going down 6-4, 1-6, 2-6.
In 2010, Ferguson got entry in the 2010 French Open as a qualifier. In the first round she defeated Petra Kvitová 1-6, 6-2, 6-2. Singles 12 (3-9)
Doubles 13 (6-7).