Yuka Saso's search for a second U.S. Women's Open title got a boost when she carded a 2-under 68 to take the first-round lead on Thursday at Lancaster Country Club in Pennsylvania.

The Filipino-born Japanese golfer's only LPGA win came at the 2021 U.S. Women's Open. She found her way back to the top of the leaderboard on Thursday in a difficult opening round that saw only four scores under par.

Andrea Lee, Thailand's Wichanee Meechai and French amateur Adela Cernousek are tied for second at 1-under 69.