Akie Iwai wins Portland Classic to join twin sister Chisato as rookie LPGA Tour champion  LPGASister, Sister: Meet the Four Sets of Sisters Who Have Won on the LPGA Tour  LPGAGolf – Japan’s Iwai Akie, Chisato becomes first twins to win in LPGA history  Olympics.comAkie Iwai’s bogey-free final round earns first LPGA title at Portland  AOL.comAkie Iwai wins 2025 Standard Portland Classic, twin sister Chisato finishes ties for third  Golfweek