Kiwi golfer Lydia Ko has dropped to her lowest ranking since the year she turned pro in 2014.
The former world number one has slipped one place to fourth, leapfrogged by American Lexi Thompson.
It follows her disappointing performance at the women's PGA Championship in Illinois where she finished tied for 59th.
Ryan Fox meanwhile has jumped 22 places in the latest men's rankings to 149 after his sixth placed finish at the French Open.
