Complex sentence: Maria Sharapova started the tournament as the three-time defending champion, but lost in the second round to Angelique Kerber who eventually won the tournament for the first time defeating Caroline Wozniacki in the final, 3--6,6--1,7--5.
Split into simpler sentences: Maria Sharapova started the tournament as the three-time defending champion, but lost in the second round to Angelique Kerber. Kerber went on to win the title, defeating Caroline Wozniacki in the final, 3--6,6--1,7--5.