Australia (2) |
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Kyrgios, Nick | Stosur, Samantha |
| Austria (1) |
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Thiem, Dominic |
| Belgium (2) |
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Darcis, Steve | Mertens, Elise |
| Canada (2) |
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Bouchard, Eugenie | Raonic, Milos |
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China (2) |
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Peng, Shuai | Zhang, Shuai |
| | | France (2) |
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Paire, Benoit | Pouille, Lucas |
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Italy (2) |
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Cecchinato, Marco | Fognini, Fabio |
| Kazakhstan (1) |
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Kukushkin, Mikhail |
| Latvia (1) |
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Gulbis, Ernests |
| Romania (2) |
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Buzarnescu, Mihaela | Halep, Simona |
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Russia (1) |
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Kasatkina, Daria |
| Serbia (2) |
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Djokovic, Novak | Krajinovic, Filip |
| Slovakia (2) |
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Cibulkova, Dominika | Schmiedlova, Anna Karolina |
| |
Switzerland (2) |
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Bacsinszky, Timea | Wawrinka, Stan |
| Ukraine (1) |
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Yastremska, Dayana |
| United States (2) |
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Krueger, Mitchell | Williams, Venus |
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