Leading scores on Thursday in the first round of the US LPGA Gainbridge Championship in Orlando, Florida (USA unless noted, par-72): 65 - Lydia Ko (NZL) 67 - Nanna Koerstz Madsen (DEN), Nelly Korda 68 - Lin Xiyu (CHN), Ko Jin-young (KOR), Megan Khang, Gaby Lopez (MEX), Jennifer Kupcho (USA), Nicole Broch Larsen (DEN, Ryann O'Toole 69 - Chun In Gee (KOR), Patty Tavatanakit (THA), Brittany Lincicome, Marissa Steen, Chella Choi (KOR), Leona Maguire (IRL) afp