(born 5 July 2002) is a Japanese professional golfer. She plays on the LPGA Tour and on the LPGA of Japan Tour where she has 6 wins.
Iwai was born in Saitama Prefecture and started playing golf at 8 years old. In 2019, she won the Junior Golf World Cup.
Iwai turned professional and joined the LPGA of Japan Tour in 2021. As a rookie she won a title on the developmental circuit, the Step-Up tour, and the JLPGA Rookies Championship.
She had her breakthrough in 2023 when she won three titles and finished second on the money list.
In 2024, she finished top-10 in two LPGA majors, and rose to 26th in the Women's World Golf Rankings.
In December 2024, Iwai earned her LPGA Tour card for 2025 by finishing T-5 at the LPGA Final Qualifying Tournament.
Her twin sister, Chisato, is also a professional golfer on the LPGA of Japan Tour.
^Shortened to 36 holes due to weather
CUT = missed the half-way cut<br> "T" = tied
Amateur
Professional
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