Nelly Korda has had a dominant grip on the World No. 1 ranking for 71 consecutive weeks. MORE: Women's British Open power rankings But the possibility she could lose her top spot has never been more real than this week at the AIG Women’s British Open.

Miyu Yamashita holds a three-shot lead over Rio Takeda at Royal Porthcawl; Nelly Korda, Lottie Woad and Wales Darcey Harry all nine back on two under; Watch the AIG Womens Open live on Saturday from m