Answer
Eight singles titles have been won by Petra Martic on the ITF Women's Circuit. The Croatian won her first singles title in May 2008 at the $25,000 event in Pula, Croatia. She has won three titles at the $50,000 level, two at the $100,000 level, and one at the $150,000 level. Her most recent title came at the $100,000 event in Bol, Croatia in June 2017.