Serena Williams announces she is on 'countdown' to retirement
US great Serena Williams announced on Tuesday that "the countdown has begun" to her retirement from tennis.
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US great Serena Williams announced on Tuesday that "the countdown has begun" to her retirement from tennis.
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Serena Williams stepped onto a hardcourt for the first time in a year-and-a-half on Monday and fought through for a 6-3, 6-4 victory over Spain's Nuria Parrizas Diaz.