Australia (2) |
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Popyrin, Alexei | Tomljanovic, Ajla |
| | Bosnia-Herzegovina (1) |
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Dzumhur, Damir |
| Canada (2) |
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Auger-Aliassime, Felix | Pospisil, Vasek |
|
Croatia (2) |
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Karlovic, Ivo | Vekic, Donna |
| Czech Republic (1) |
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Vondrousova, Marketa |
| France (2) |
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Chardy, Jeremy | Tsonga, Jo-Wilfried |
| Georgia (1) |
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Basilashvili, Nikoloz |
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Germany (1) |
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Kerber, Angelique |
| Italy (2) |
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Cocciaretto, Elisabetta | Seppi, Andreas |
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Putintseva, Yulia |
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Gulbis, Ernests | Sevastova, Anastasija |
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Netherlands (1) |
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Bertens, Kiki |
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Begu, Irina-Camelia | Halep, Simona |
| Russia (3) |
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Kuznetsova, Svetlana | Medvedev, Daniil | Sharapova, Maria |
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Kecmanovic, Miomir |
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South Korea (1) |
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Kwon, Soonwoo |
| Spain (1) |
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Muguruza, GarbiƱe |
| Switzerland (1) |
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Wawrinka, Stan |
| |
United States (3) |
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Brady, Jennifer | Rogers, Shelby | Tiafoe, Frances |
|