US Open: Serena Williams stunned by Karolina Pliskova in semis

Top-seeded US tennis star Serena Williams fell to 10th seeded Czech tennis player Karolina Pliskova in the US Open semifinals on Friday

Serena Williams of the US reacts after losing a point against Karolina Pliskova of Czech Republic during their 2016 US Open Women's Singles semifinal match at the USTA Billie Jean King National Tennis Center in New York. Pic/AFP

New York: Top-seeded Serena Williams fell to 10th seeded Czech tennis player Karolina Pliskova in the US Open semifinals on Friday.

Williams double faulted on match point in a second-set tie-break to give Pliskova the match. With Pliskova's 6-2 7-6 straight sets win, Williams' 186-week reign as world No 1 (stretching back to February 18, 2013) is now over.

Williams fell behind by a quick 3-0 in the breaker but rallied back to three-all with two miniholds and a double fault by Pliskova.

The match came to an end as the American lost with a double fault to fall in the semis of the US Open for the second straight year.

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