By Nick Mulvenney MELBOURNE, Jan 26 (Reuters) – Serena Williams, with 21 grand slam titles in her trophy cabinet, thinks she has nothing left to prove to anyone and just wants to have fun for the remainder of her career. The 34-year-old American eased into the semi-finals of the Australian Open with a 6-4 6-1 victory over Maria Sharapova on Tuesday to remain on course for a seventh title at Melbourne Park. Dismissing the idea that this might be her 16th and final appearance at the year’s first grand slam — “Hopefully not, unless you know something I don’t” she said — Williams spoke of a different approach to her tennis this year.
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Tennis-Longevity has its place but Serena just wants to have fun
