Read the latest news and breaking articles on Professional Womens Tennis Player Caroline Wozniacki. Find news from and on Caroline's official website. Read more in Caroline's News Section. The website of the International Tennis Federation, the world governing body of tennis - information on all aspects of tennis including players, records, rules and events such as Davis Cup and Fed Cup. The Caroline Wozniacki tennis season officially began on 1 January with the start of the WTA Tour. Caroline Wozniacki entered the season ranked as world number 3 behind Simona Halep and Garbiñe Muguruza following the .