Simona Halep, a two-time Grand Slam singles champion who was ranked world No. 1 in women's tennis singles for 64 combined weeks, announced her

Two-time Grand Slam champion Simona Halep has announced her retirement from tennis at age 33. Halep spoke to the crowd after a first-round loss at a tournament in her home country of Romania on Tuesday.

Two-time major champion Simona Halep announced her decision to retire from tennis on Tuesday after losing a match at a tournament in her home country of Romania. It was Halep's first match since October as she's been dealing with knee and shoulder pain that caused her to back out of the Australian Open last month.