She became the first American to hold the top spot since rankings began in 2006 .
28 June - Cristie Kerr took over the number 1 position in the Women 's World Golf Rankings after winning the LPGA Championship by 12 strokes .
Cristie Kerr became the first American to hold the top spot since rankings began in 2006 .
28 June - Cristie Kerr took over the number 1 position in the Women 's World Golf Rankings after winning the LPGA Championship by 12 strokes .