It was the 43rd Women's British Open, the 18th as a major championship on the LPGA Tour, and the fifth at Royal Lytham & St Annes Golf Club.

Georgia Hall of England shot a final round 67 (−5) to win by two strokes over runner-up Pornanong Phatlum, the 54-hole leader.

Previous lengths of the course for the Women's British Open (since 2001): The field was 144 players, and most earned exemptions based on past performance on the Ladies European Tour, the LPGA Tour, previous major championships, or with a high ranking in the Women's World Golf Rankings.

The rest of the field earned entry by successfully competing in qualifying tournaments open to any female golfer, professional or amateur, with a low handicap.

Aditi Ashok (5), Carlota Ciganda (5,10), Sandra Gal (5), Charley Hull (5,10), Pernilla Lindberg (5,8,12), Azahara Muñoz (5), Su-Hyun Oh (5), Madelene Sagström (5) 3.

Marina Alex, Brittany Altomare, Chella Choi, Chun In-gee (10,12), Jacqui Concolino, Lindy Duncan, Austin Ernst, Nasa Hataoka (8,10), Brooke Henderson (8,10,12), Wei-Ling Hsu, Mi Jung Hur, Ji Eun-hee (8,10), Ariya Jutanugarn (8,10,11,12), Moriya Jutanugarn (8,10), Danielle Kang (10,12), Cristie Kerr (10), Kim Sei-young (8,10), Katherine Kirk, Ko Jin-young (8,10), Lydia Ko (8,10,12), Jessica Korda (8,10), Nelly Korda, Lee Mi-hyang, Minjee Lee (8,10), Mirim Lee, Brittany Lincicome (8,12), Park Sung-hyun (8,10,12), Ryu So-yeon (8,10,12), Jennifer Song, Amy Yang (10) 4.

Rebecca Artis, Silvia Bañón, Céline Boutier (5,8), Ashleigh Buhai (5,8), Katie Burnett, Lynn Carlsson, Holly Clyburn, Olivia Cowan, Casey Danielson, Julia Engström, Jenny Haglund (8), Caroline Hedwall, Kylie Henry, Noemí Jiménez Martín, Valdis Thora Jonsdottir, Sarah Kemp, Karolin Lampert, Camilla Lennarth, Lin Xiyu, Meghan MacLaren (8), Florentyna Parker, Marianne Skarpnord, Klára Spilková, Anne Van Dam, Astrid Vayson de Pradenne (8), Christine Wolf 5.

Nicole Broch Larsen, Laura Davies, Hannah Green, Jaye Marie Green, Caroline Inglis, Megan Khang, Bronte Law, Lee Jeong-eun, Yu Liu, Mo Martin (11), Ally McDonald, Wichanee Meechai, Amy Olson, Ryann O'Toole, Annie Park (8), Park Hee-young, Jane Park, Pornanong Phatlum, Sherman Santiwiwatthanaphong, Sarah Jane Smith, Mariah Stackhouse, Angela Stanford, Emma Talley, Kris Tamulis, Ayako Uehara, Mariajo Uribe, Sakura Yokomine 6.

None Qualifiers: Laetitia Beck, Tonje Daffinrud, Ludovica Farina (a), Cloe Frankish, Rachael Goodall, Linn Grant (a), Lydia Hall, Tiffany Joh, Haeji Kang, Frida Kinhult (a), Brittany Marchand, Inci Mehmet, Hollie Muse (a), Robynn Ree, Pannarat Thanapolboonyaras, Sideri Vanova, Ursula Wikström Thursday, 2 August 2018 Minjee Lee shot a 7-under-par 65 to lead by one stroke over Mamiko Higa.