Australia's Ashleigh Barty poses with the trophy after her victory over Germany's Julia Gorges in the women's singles final tennis match at the WTA Nature Valley Classic tournament. (Paul ELLIS/AFP)

BIRMINGHAM: Ashleigh Barty said it was in "another realm" to become only the second Australian woman to top the world rankings when she won the Birmingham WTA title on Sunday (Jun 23), beating Julia Goerges 6-3, 7-5.