Illinois' Madison Keys Advances to Singles Semifinals - NBC Chicago
2016 Rio Olympic Games

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Illinois' Madison Keys Advances to Singles Semifinals

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    Illinois' Madison Keys Advances to Singles Semifinals
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    Rock Island's Madison Keys is headed to the women's singles semifinals as the only American remaining in the event. 

    After winning her third-round match against Spain's Carla Suarez Navarro Tuesday, Keys soared to victory against Russia's Daria Kasatkina 6-3, 6-1 Thursday. 

    The two were supposed to battle Wednesday morning but the match was rescheduled for Thursday due to rain.

    Keys, a 21-year-old making her Olympic debut, continues to be the only American remaining in the singles after Serena Williams was knocked out of the Olympics Tuesday in a shocking upset loss against Ukraine's Elina Svitolina.

    Keys debuted in the top 10 world rankings in late June, becoming the first American woman to do so since 1999, when Serena Williams made the ranking. She first went pro in February 2009 at the age of 14. By July 2016, she had become the third-highest ranked American female tennis player, behind only Serena and Venus Williams.

    Among the other players on Wednesday's schedule were Venus Williams, who's set to play in the mixed doubles with American teammate Rajeev Ram against the Netherlands. 

    The rain delay Wednesday shifted schedules in the sport as none of the courts at the Rio venue have a roof.

    It was not yet known who Keys would face off against in the semifinal match. 

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