Ryo Ishikawa of Japan continues his progress through the Ranking with a six-place jump into the top 10. He tied for 24th place in the Golf Nippon Series JT Cup at Tokyo Yomiuri Country Club on the professional Japan Golf Tour to move to sixth place.
In May he won the Munsingwear Open, a full pro tour event, and in the past month has climbed from 162nd place to a position among the world's top amateurs.
Kiradech Aphibarnrat of Thailand has moved up four places to 626 and Quincy Quek of Singapore also climbed four spots to 448 after they tied for the individual honours in the Putra Cup.
Aaron Bailey of Jamaica claimed his country's national amateur title and joins the Ranking for the first time.
Rickie Fowler of the United States continues his run at the top of the Ranking for the 12th week.