Leading first-round scores on Thursday in the 2020 US Women's Open at Champions Golf Club in Houston, Texas (USA unless noted, a-denotes amateur): 67 - Amy Olson 68 - Hinako Shibuno (JPN), Moriya Jutanugarn (THA), Kim A-Lim (KOR) 69 - Linnea Strom (SWE), a-Linn Grant (SWE), Patty Tavatanakit (THA), Gerina Piller, Charley Hull (ENG), Sophia Popov (GER), Yuka Saso (PHI) 70 - Jodi Ewart Shadoff (ENG), a-Pauline Roussin-Bouchard (FRA), Lindsey Weaver, Mina Harigae, a-Amelia Garvey (NZL), Megan Khang, a-Maja Stark (SWE), Brittany Lincicome, Choi Hye-jin (KOR), Park Sung-hyun (KOR), Jennifer Kupcho, Ariya Jutanugarn (THA) 71 - a-Kaitlyn Papp, Caroline Masson (GER), Azahara Munoz (ESP), Sarah Schmelzel, Ashleigh Buhai (RSA), Cristie Kerr, Nasa Hataoka (JPN), a-Gabriela Ruffels (AUS), Carlota Ciganda (ESP), Lydia Ko (NZL), Brittany Altomare, Park In-bee (KOR), Nuria Iturrioz (ESP) afp