| Bulgaria (1) |
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| Dimitrov, Grigor |
| | China (2) |
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| Wang, Xiyu | | Zheng, Qinwen |
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| Coric, Borna | | Martic, Petra |
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| Bouzkova, Marie | | Krejcikova, Barbora |
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| Rune, Holger |
| | | Alemania (3) |
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| Altmaier, Daniel | | Hanfmann, Yannick | | Zverev, Alexander |
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| Nishioka, Yoshihito |
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| Alexandrova, Ekaterina | | Kalinskaya, Anna | | Kasatkina, Daria | | Khachanov, Karen | | Kudermetova, Veronika | | Potapova, Anastasia | | Rublev, Andrey |
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| Alcaraz, Carlos | | Bautista Agut, Roberto | | Davidovich Fokina, Alejandro | | Munar, Jaume |
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| Tsurenko, Lesia |
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| Parks, Alycia | | Pegula, Jessica | | Pera, Bernarda |
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