World number one Roger Federer [ Images ] and his counterpart in the women's game Lindsay Davenport [ Images ] were on Thursday named as the top seeds for next week's Australian Open [ Images ].

There were few surprises in the list, which was based on the world rankings.

Women's champion Serena Williams [ Images ] was named 13th seed after an injury-affected 2005.

Williams could conceivably run into one of the top four seeds as early as the fourth round. Her sister Venus, last year's Wimbledon [ Images ] champion, has been seeded 10th.

World number three Andy Roddick [ Images ] has been installed as the men's second seed after Spain's Rafael Nadal [ Images ] withdrew from the tournament earlier this week due to a long-standing foot injury.

Australia's [ Images ] Lleyton Hewitt [ Images ], last year's beaten finalist, has been seeded third but must wait until Friday's draw to see if he could face Federer or Roddick in the semi-finals.

Argentina's David Nalbandian [ Images ], who beat Federer last year in the season-ending Masters Cup final was seeded fourth, though he is battling a viral infection that forced him to pull out of the invitational Kooyong Classic this week.

Belgium's Kim Clijsters [ Images ], who suffered a hip injury at this week's Sydney [ Images ] International, is the women's second seed with France's [ Images ] Amelie Mauresmo [ Images ] third.

Former world number one Maria Sharapova [ Images ], battling a shoulder injury to be fit in time for the tournament which begins on Monday, has been seeded fourth and heads a list of nine seeded Russian women.

India's [ Images ] Sania Mirza [ Images ] occupies the last seeded place in the women's draw.