| Australia (3) |
|---|
| Kyrgios, Nick | | Rodionova, Arina | | Tomljanovic, Ajla |
| | | Croazia (2) |
|---|
| Karlovic, Ivo | | Vekic, Donna |
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| Muchova, Karolina | | Pliskova, Karolina |
|
| Francia (4) |
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| Basilashvili, Nikoloz |
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| Putintseva, Yulia |
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| | | Russia (2) |
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| Khachanov, Karen | | Kuznetsova, Svetlana |
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| Anderson, Kevin |
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| Bencic, Belinda | | Wawrinka, Stan |
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| Stati Uniti (3) |
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| Bellis, CiCi | | Collins, Danielle | | Fritz, Taylor |
|