| Australien (1) |
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| De Minaur, Alex |
| | | Bulgarien (1) |
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| Dimitrov, Grigor |
| | Canada (1) |
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| Auger-Aliassime, Felix |
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| | | Finland (1) |
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| Ruusuvuori, Emil |
| | Frankrig (5) |
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| Barrere, Gregoire | | Bonzi, Benjamin | | Gasquet, Richard | | Halys, Quentin | | Lestienne, Constant |
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| Tyskland (1) |
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| Zverev, Alexander |
| | Grækenland (1) |
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| Tsitsipas, Stefanos |
| | Italien (2) |
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| Sinner, Jannik | | Sonego, Lorenzo |
| | Kasakhstan (1) |
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| Bublik, Alexander |
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| Holland (4) |
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| Brouwer, Gijs | | Griekspoor, Tallon | | Rijthoven, Tim van | | Zandschulp, Botic van de |
| | | Rusland (3) |
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| Karatsev, Aslan | | Medvedev, Daniil | | Rublev, Andrey |
| | Sydkorea (1) |
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| Kwon, Soonwoo |
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| Spanien (3) |
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| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro |
| | | Schweizisk (2) |
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| Huesler, Marc-Andrea | | Wawrinka, Stan |
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