Casey Dellacqua's excellent performance at last week's Toray Pan Pacific Open in Tokyo has seen her rewarded with a WTA rankings boost of 42 places.

Casey Dellacqua's exciting run at the Toray Pan Pacific Open in Tokyo has come to an end at the hands of 16th seed Dominika Cibulkova on Tuesday.

UPDATED: Casey Dellacqua has moved into the second round at the Toray Pan Pacific Open, while Anastasia Rodionova was forced to retire with an abdominal injury.

Australians Casey Dellacqua and Anastasia Rodionova have qualified for the WTA Toray Pan Pacific Open in Tokyo, joining compatriot Sam Stosur in the main draw.

With several Aussies in action in the US Open doubles events, it was Ash Barty and Casey Dellacqua having the biggest impact with their run to the final.

Ash Barty and Casey Dellacqua fell in three tough sets to Czechs Andrea Hlavackova and Lucie Hradecka in the US Open women's doubles final on Saturday night.

Ash Barty and Casey Dellacqua will face Andrea Hlavackova and Lucie Hradecka in the US Open women's double final after the Czechs upset Venus and Serena Williams.

UPDATE: Ash Barty and Casey Dellacqua have reached their third Slam final of 2013 with a commanding win in the US Open semifinals on Thursday in New York.

Aussies Ash Barty, Casey Dellacqua and Thanasi Kokkinakis will feature on Thursday at Flushing Meadows as the US Open progresses to its business end.

UPDATE: Ash Barty and Casey Dellacqua are through to the semifinals of the US Open doubles in New York, while Thanasi Kokkinakis enjoyed junior success.