Agnieszka Radwanska of Poland reacts during her quarter-final match against American Alison Riske at the Shenzhen Open. Photos: AFP

Alison Riske stuns top seed Agnieszka Radwanska at Shenzhen Open

American now takes on Italy’s Camila Giorgi while Britain’s Johanna Konta plays Katerina Siniakova in the semi-finals

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Agnieszka Radwanska of Poland reacts during her quarter-final match against American Alison Riske at the Shenzhen Open. Photos: AFP
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