The 2008 Ana Ivanovic tennis season officially began on 8 January with the start of the 2008 Medibank International Sydney in Sydney and ended with the 2008 WTA Tour Championships. Ivanovic entered the season as the number four ranked player and the defending champion at three tournaments and finalist at previous year's French Open. In 2008, Ivanovic won Sony Ericsson WTA Tour Diamond ACES Award, German Tennis Magazine Michael Westphal Award and International Tennis Writer's Association Ambassador of the Year 2008.