Arantxa Sánchez Vicario, Spanish tennis player and sportscaster

Aránzazu Isabel María "Arantxa" Sánchez Vicario is a Spanish former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 12 weeks, as well as the world No. 1 in women's doubles for 111 weeks. A defensive baseliner, Sánchez Vicario won 29 WTA Tour-level singles titles and 69 doubles titles, including 14 major titles: four in singles, six in women's doubles, and four in mixed doubles. She also won four Olympic medals and five Fed Cup titles representing Spain. In 1994, Sánchez Vicario was crowned the ITF World Champion of the year.

December 18 is the 352nd day of the year in the Gregorian calendar; 13 days remain until the end of the year.