Maria Yuryevna Sharapova is a Russian former professional tennis player. Although she played under the banner of Russia with the Women's Tennis Association (WTA), she has lived in and been a United States permanent resident since 1994. Sharapova competed on the WTA tour from 2001 to 2020 and had been ranked world No. 1 in singles by the WTA on five separate occasions, for a total of 21 weeks. She is one of ten women, and the only Russian, to hold the career Grand Slam. She is also an Olympic medalist, having won a silver medal in women's singles at the 2012 Summer Olympics in London. Sharapova achieved a rare level of longevity in tennis, with several tennis pundits and former players calling Sharapova one of tennis's best competitors.