Former world number one Maria Sharapova was today knocked out of the first round of the Indian wells tennis tournament, as he fell 6-4, 6-4 against Japanese number one Naomi Osaka .

It is a second opening round loss in succession for the 30-year-old after she was knocked out of the Qatar open last month.

Sharapova made six double faults, won only 25% of her second-serve points and had her serve broken five times.

The world number 44 Osaka, wrapped up victory in 95 minutes and will face polish world number 31 Agnieszka Radwanska in round two.

The unseeded Serena Williams is scheduled to open her Indian wells campaign with a first round tie against Zarina diyas of Kazakhstan later today.