Wimbledon top seed Serena Williams is in Grand Slam winning form and faces Dominika Cibulkova in Wimbledon's first match on Centre Court today.  

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Whilst Serena is dominating on the grass courts, Cibulkova has also fought well defeating 25th seed Safaraova in straight sets in the first round.  

Whilst everyone seems to be predicting a Williams sisters Wimbledon final, it is the unknown prospect of players such as Cibulkova that could threaten. Cibulkova is ranked 46th in the WTA rankings this year and will face Serena for the first time in her career.

Serena will use her strengths efficiently. against Cibulkova. Her big serve and agggressive forehand are generally the most effective shots in women's tennis, and are even more effective on the grass courts.

Cibulkova's best career result was a semifinal result in 2009's French Open. Yet to win a title, Cibulkova will be hoping to cause an upset when she faces Serena today. The live stream of Williams v Cibulkova goes online at 12:00 BST.

You can watch Serena Williams v Dominika Cibulkova live for free at bet365. To watch, simply follow these 3 simple steps:

1. Go to bet365 and sign-up or register (it's free)
2. Click on Sports > Live Streaming > Tennis
3. Watch Wimbledon 2010 for free