Tough conditions this Friday in Hainan have led to changes atop the leaderboard at the LPGA's Blue Bay tournament.

First round leader Lin Xiyu has dropped down to a tie for 6th.

The Guangzhou native struggled today, carding a 5-over-77 to drop down to even-par.

South Korea's Kim Sei-young now has a one-stroke lead at minus-2 after an even-par-72 today.

She's one stroke ahead of a group of 4 players, including Taiwan's Candie Kung, at minus-1.

China's top female golfer, Feng Shanshan also struggled today with the conditions in Hainan, carding a 3-over round to sit at plus-4 on the tournament.

On the men's side, American Justin Thomas was on fire today at the CIMB Event in Kuala Lumpur, Malaysia.

Thomas carded an amazing 11-under-61 today to take a one-stroke lead at minus-15 over fellow American Brendan Steele.

First round leader Scott Piercy, who hit a 10-under-62 on Thursday, couldn't replicate his first-round success.

He did finish at minus-3 today, putting him tied for 3rd at minus-13.