For Miyu Yamashita, Sunday evening signalled it was finally time to celebrate. The Japanese golfer and LPGA rookie had just won her first major, the AIG Women’s Open at Royal Porthcawl, one day after turning 24.

PORTHCAWL, Wales — Miyu Yamashita of Japan captured her first major title Sunday when she withstood a charge by Charley Hull by not making a bogey until the outcome of the AIG Women’s Open was no longer in doubt. She closed with a 2-under 70 for a two-shot victory.