CASEY Dellacqua blew the perfect start against American Madison Keys in the second round of the Australian Open.
After taking the opening set 6-2, Dellacqua had no answer to Keys' power-hitting as the world No.35 swept through the final two sets 6-1 6-1.
Keys, 10 years younger than her Aussie opponent, also beat Dellacqua in the opening round of the 2013 Australian Open.
The loss completed a double blow for the Australian women on day four of the tournament, with Ajla Tomljanovic also tumbling out.
The adopted Aussie fell 6-1 7-6 to American world No.30 Varvara Lepchenko
Croatian-born Tomljanovic, who is still waiting for an Australian passport to accompany her Queensland residency, is able to play under the Australian flag in the WTA tournament.
Unfortunately, the 21 year-old, who now trains and lives in Brisbane, was unable to repeat the heroics from her fighting first-round come-from-behind win over American Shelby Rogers.
Lepchenko was in a different class to Rogers, staying back and forcing Tomljanovic into 38 unforced errors for the match.
The American now faces sixth seed Agnieszka Radwanska of Poland in round three.