On the same day, her brother Chris also finished 8th at the prestigious Japan Open, all but ensuring his Japan Golf Tour card for 2011.
Ahn won her fourth event of the season and continued a remarkable run of form including ten consecutive top five finishes in her last ten starts, establishing a huge lead on the 2010 JLPGA Tour money list over Sakura Yokomine.
Ahn won by a massive seven shots over Korean Ji Yai Shin.
Campbell added another Ã‚Â¥2.2 million to her earnings this season and is now in 11th position on the money list with season's earnings of Ã‚Â¥52 million or (A$645,000).
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