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MONTREAL, ON - JULY 30: Simona Halep of Romania celebrates her victory over Angelique Kerber of Germany during day six in semifinal round action of the Rogers Cup at Uniprix Stadium on July 30, 2016 in Montreal, Quebec, Canada. Simona Halep defeated Angelique Kerber 6-0, 3-6, 6-2. (Photo by Minas Panagiotakis/Getty Images)

MONTREAL, ON - JULY 30:  Simona Halep of Romania celebrates her victory over Angelique Kerber of Germany during day six in semifinal round action of the Rogers Cup at Uniprix Stadium on July 30, 2016 in Montreal, Quebec, Canada.  Simona Halep defeated Angelique Kerber 6-0, 3-6, 6-2.  (Photo by Minas Panagiotakis/Getty Images)

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MONTREAL, ON - JULY 31: Monica Niculescu of Romania hits a return against Ekaterina Makarova and Elena Vesnina of Russia during day seven in final round action of the Rogers Cup at Uniprix Stadium on July 31, 2016 in Montreal, Quebec, Canada. Ekaterina Makarova and Elena Vesnina defeated Simona Halep and Monica Niculescu 6-3, 7-6. (Photo by Minas Panagiotakis/Getty Images)

MONTREAL, ON - JULY 31:  Monica Niculescu of Romania hits a return against Ekaterina Makarova and Elena Vesnina of Russia during day seven in final round action of the Rogers Cup at Uniprix Stadium on July 31, 2016 in Montreal, Quebec, Canada.  Ekaterina Makarova and Elena Vesnina defeated Simona Halep and Monica Niculescu 6-3, 7-6.  (Photo by Minas Panagiotakis/Getty Images)

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MONTREAL, ON - JULY 29: Monica Niculescu of Romania hits a return against Kristina Mladenovic and Carolina Garcia of France as teammate Simona Halep looks on during day five of the Rogers Cup at Uniprix Stadium on July 29, 2016 in Montreal, Quebec, Canada. Angelique Kerber defeated Darya Kasatkina 2-6, 2-6. (Photo by Minas Panagiotakis/Getty Images)

MONTREAL, ON - JULY 29:  Monica Niculescu of Romania hits a return against Kristina Mladenovic and Carolina Garcia of France as teammate Simona Halep looks on during day five of the Rogers Cup at Uniprix Stadium on July 29, 2016 in Montreal, Quebec, Canada.  Angelique Kerber defeated Darya Kasatkina 2-6, 2-6.  (Photo by Minas Panagiotakis/Getty Images)