Bangladesh, Dec. 6 -- Former No. 1 and 2018 Australian Open champion Caroline Wozniacki will retire from professional tennis after competing in Melbourne next year.

The 29-year-old from Denmark wrote in an Instagram post on Friday that she wants to start a family with her husband, former NBA player David Lee, and work to raise awareness about rheumatoid arthritis.

Wozniacki said her decision to stop playing "has nothing to do with my health." She announced in October 2018 that she has rheumatoid arthritis, an autoimmune condition that can cause pain and swelling in the wrist and other joints.

"I've always told myself, when the time comes, that there are things away from tennis that I want to do more, then it's time to be done," Wozniac...