Serena Williams out of the Miami open 2018 in 1 round. Osaka win's

MIAMI, FL, USA 
Newly-minted BNP Paribas Open champion Naomi Osaka was handed the first test of her tenure as a tournament winner by the draw at the Miami Open, and the new World No.22 rose to the occasion.

Osaka recorded her eighth straight victory on Wednesday afternoon, as she ousted eight-time champion and childhood idol Serena Williams in the first round, 6-3, 6-2.