2018 India Open Badminton Women's Singles QF's - Hong Kong's Cheung Ngan Yi beat Spain's Carolina Marin Friday Feb 02,2018

The biggest upset of the day was produced by Hong Kong's Cheung Ngan Yi, who knocked out Olympic champion Carolina Marin who had reached the finals of the Indian Open last year, 21-12, 21-19 in a 48-minute clash