[2] Ariya Jutanugarn won the championship in a playoff over Kim Hyo-joo, which ended on the fourth extra hole.

Girls' Junior and U.S. Women's Mid-Amateur (must be an amateur) Kelsey Chugg (a), Sophia Schubert (a), Erica Shepherd (a), Albane Valenzuela (a) 3.

Winners of the Ricoh Women's British Open for the last five years (2013–2017) Ariya Jutanugarn (9,10,11,14,15), In-Kyung Kim (9,11,14,15), Stacy Lewis (9,11,14,15), Mo Martin (9) 6.

Winners of the ANA Inspiration for the last five years (2014–2018) Lydia Ko (7,9,11,14,15), Brittany Lincicome (9,11,14,15), Pernilla Lindberg (9,10,11,14,15), Lexi Thompson (9,11,14,15) 7.

Top 75 money leaders from the 2017 final official LPGA money list Marina Alex (14,15), Brittany Altomare (14,15), Nicole Broch Larsen, Ashleigh Buhai, Peiyun Chien, Chella Choi (14), Cydney Clanton, Jacqui Concolino, Austin Ernst, Jodi Ewart Shadoff (14,15), Sandra Gal, Hsu Wei-ling, Charley Hull (14,15), Karine Icher, Moriya Jutanugarn (10,11,14,15), Kim Kaufman, Cristie Kerr (11,14,15), Megan Khang, Katherine Kirk, Jessica Korda (10,11,14,15), Nelly Korda (14,15), Olafia Kristinsdottir, Candie Kung, Lee Jeong-eun, Lee Mi-hyang (11,14,15), Minjee Lee (11,14,15), Gaby López, Caroline Masson (15), Ally McDonald, Azahara Muñoz (12-LET,14), Haru Nomura, Su-Hyun Oh, Ryann O'Toole, Jane Park, Pornanong Phatlum, Madelene Sagström, Lizette Salas (14,15), Alena Sharp, Jenny Shin (14,15), Sarah Jane Smith, Jennifer Song (14,15), Angela Stanford, Ayako Uehara, Jing Yan, Angel Yin (15), Yoo Sun-young 10.

Top three money leaders from the 2017 China LPGA Tour Saranporn Langkulgasettrin, Lee Solar, Supamas Sangchan 14.

Jennifer Chang (a), Hailee Cooper (a), Lindy Duncan, Andrea Lee (a), Lee Lopez, Wichanee Meechai, Olivia Mehaffey (a), Emilia Migliaccio (a), Song Gaeun (a), Luna Sobrón Galmés, Sophie Walker, Rumi Yoshiba 2018 yardages by round Source:[6] Thursday, May 31, 2018 Friday, June 1, 2018 Saturday June 2, 2018 Weather delayed the conclusion of the second round until Saturday.