After struggling during the winter and spring, Ivanovic let go of coach Dejan Petrovic in May. Ivanovic decided to work with Adidas consultant Mats Merkel, who reached the semifinal at Roland Garros.

Ana Ivanovic will begin working with Dejan Petrovic as her new coach, her official web site announced. The former No. 1 ended her coaching relationship with Nemanja Kontic following Wimbledon ...