In 2003, she won[1] the CJ Nine Bridges Classic, an LPGA Tour sanctioned event in her home country.

At 19 years, 1 month and 18 days she was the youngest non-American winner in the tour's history.

During her second round of play at the 2009 LPGA Championship, Ahn struck and killed a robin with her tee shot on the 9th hole.

[2] While playing in the 2010 CN Canadian Women's Open, Ahn and fellow South Korean golfer Il Mi Chung were accused[3] of taking part in a rules violation cover-up after they each accidentally hit the other's golf ball on the 18th hole during the first round of play.

"[6] Ahn was born in Incheon, and attended Inmyung Girls High School [ko] there.