Melbourne  - Ana Ivanovic led a trio of seeds to opening-day victories Monday at the Australian Open, with Serbia's former number one defeating German Julia Goerges 7-5, 6-3.

Fifth seed Ivanovic was followed into the second round by Russian number seven Vera Zvonareva, a 7-6 (7-2), 6-0 winner over Slovak Magdalena Rybarikova.

French ingenue Alize Cornet, the 15th seed, completed the early sweep against Mariya Koryttseva of the Ukraine 6-3, 6-4.

Cornet, criticized in Australian media for what was called a "see- through" top she wore at the recent Hopman Cup, didn't appear to raise any moral outcry with her clothing in her opening match.

Germany suffered mixed results in the early stages with Julia Schruff following Ivanivoc victim Goerges out as she lost to Austrian Patricia Mayr 6-4, 6-1.

In men's play, Andy Roddick, seeded seventh, got off to a quick start as he dealt out Swedish qualifier Bjorn Rehnquist 6-0, 6-2, 6- 2.

German men also split a pair of matches, with Florian Mayer defeating Algerian Lamine Quahab 6-2, 6-1, 6-2 while Philipp Petzschner lost to Argentine Brian Dabul 6-1, 6-2,
6-4. (dpa)