Japan's Akie Iwai cruised to a four-shot win Sunday at the Standard Portland Classic for her first U.S. LPGA Tour title, joining her sister Chisato as a winner and making them the first twins to claim tour victories.The 23-year-old tour rookie led by two strokes after three rounds at the par-72 Columbia Edgewater Country Club in Portland, Oregon. A flawless final-round 66, on the back of six birdies, secured the victory at 24-under 264 ahead of American Gurleen Kaur.Her sister Chisato, also a tour rookie, won her first title in May at the Mexico Riviera Maya Open. She finished one shot behi…READ FULL ARTICLE