Serena Williams (USA) at the award ceremony after winning the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA) after winning the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA), left, and Simona Halep (Romania) after the final match of the Women's Tennis Association (WTA) Finals.

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Serena Williams (USA) at the award ceremony after winning the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Simona Halep (Romania), second place winner at the the final tournament of the Women's Tennis Association (WTA) during the awards ceremony after the final match against. Serena Williams (USA).

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Serena Williams (USA), winner of the first place in the singles event, and Simona Halep (Romania), left, winner of the second place, during the award ceremony after the final match of the Women's Tennis Association (WTA) Finals.

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Simona Halep (Romania) after the final match of the Women's Tennis Association (WTA) Finals against Serena Williams (USA).

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Serena Williams (USA) at the award ceremony after winning the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA) at the award ceremony after winning the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA) at the awards ceremony after winning the final match of the Women's Tennis Association (WTA) tournament against Simona Halep (Romania).

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Serena Williams (USA) in the final match of the Women's Tennis Association (WTA) tournament against Simona Halep (Romania).

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Serena Williams (USA) during the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA) at the awards ceremony after winning the final match of the Women's Tennis Association (WTA) tournament against Simona Halep (Romania).

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Serena Williams (USA) during the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA) during the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Simona Halep (Romania) after the final match of the Women's Tennis Association (WTA) Finals against Serena Williams (USA).

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Serena Williams (USA) during the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Simona Halep (Romania) during the final match of the Women's Tennis Association (WTA) Finals against Serena Williams (USA).

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Serena Williams (USA) during the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Serena Williams (USA) during the final match of the Women's Tennis Association (WTA) Finals against Simona Halep (Romania).

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Simona Halep (Romania) during the final match of the Women's Tennis Association (WTA) Finals against Serena Williams (USA).

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Serena Williams (USA) and Simona Halep (Romania) before the final match of the Women's Tennis Association (WTA) Finals.

26.10.2014#2517477

Sania Mirza (India), left, and Cara Black (Zimbabwe) during the award ceremony after winning the final doubles match of the Women's Tennis Association (WTA) Finals against Hsieh Su-wei (Chinese Taipei) and Peng Shuai (China). Center: American tennis player Martina Navratilova.

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Sania Mirza (India), right, and Cara Black (Zimbabwe) after winning the final doubles match of the Women's Tennis Association (WTA) Finals against Hsieh Su-wei (Chinese Taipei) and Peng Shuai (China).

26.10.2014#2517431

Sania Mirza (India), right, and Cara Black (Zimbabwe) after winning the final doubles match of the Women's Tennis Association (WTA) Finals against Hsieh Su-wei (Chinese Taipei) and Peng Shuai (China).

26.10.2014#2517427

Sania Mirza (India), left, and Cara Black (Zimbabwe) during the award ceremony after winning the final doubles match of the Women's Tennis Association (WTA) Finals against Hsieh Su-wei (Chinese Taipei) and Peng Shuai (China).

26.10.2014#2517425

Sania Mirza of India (left) and Zimbabwe's Cara Black at the awards ceremony after winning the final match of the Women's Tennis Association (WTA) doubles tournament against Hsieh Su-Wei (Taiwan) and Peng Shuai (China).

26.10.2014#2517424

Sania Mirza of India (left) and Zimbabwe's Cara Black at the awards ceremony after winning the final match of the Women's Tennis Association (WTA) doubles tournament against Hsieh Su-Wei (Taiwan) and Peng Shuai (China).

26.10.2014#2517420

A tennis ball with the tournament's logo before the final match of the Women's Tennis Association (WTA) Finals between Serena Williams (USA) and Simona Halep (Romania) in Singapore.

26.10.2014#2517401

A tennis ball with the tournament's logo before the final match of the Women's Tennis Association (WTA) Finals between Serena Williams (USA) and Simona Halep (Romania) in Singapore.

26.10.2014#2517400