Story highlights Li Na won two grand slam titles during a successful career

She won the French Open in 2011 and last year's Australian Open

The Chinese star retired last September due to ongoing knee problems

(CNN) Li Na is Asia's only grand slam singles champion and one of the most famous Chinese athletes of all time.

The 2014 Australian Open winner announced her retirement last September and, on Monday, revealed she is expecting her first child with her husband Dennis.

Two days earlier, Li sat down with CNN Open Court's Pat Cash to answer questions from our followers on Facebook and Twitter.

Here's what she had to say...

Football fan?

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