Hsieh Su-wei of Taiwan and Elise Mertens of Belgium in action against Bethanie Mattek-Sands of the US and Iga Swiatek of Poland during the 2021 BNP Paribas Open at Indian Wells. Photo: AFP
Hsieh Su-wei of Taiwan and Elise Mertens of Belgium in action against Bethanie Mattek-Sands of the US and Iga Swiatek of Poland during the 2021 BNP Paribas Open at Indian Wells. Photo: AFP

Indian Wells: Hsieh Su-wei and Elise Mertens to face Coco Gauff and Leylah Fernandez in quarters

  • The Belgian-Taiwanese second seeds seal place in last eight with comeback win over Bethanie Mattek-Sands and Iga Swiatek
  • Race to WTA Finals points are on the line as teen duo stand in the way of semi-final spot in Southern California