| Argentina (2) |
|---|
| Del Potro, Juan Martin | | Delbonis, Federico |
| | Australia (2) |
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| Barty, Ashleigh | | Thompson, Jordan |
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| Azarenka, Victoria | | Sabalenka, Aryna |
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| Caruso, Salvatore | | Fognini, Fabio |
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| Nara, Kurumi | | Nishioka, Yoshihito | | Osaka, Naomi |
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| Benchetrit, Elliot |
| | | Puerto Rico (1) |
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| Puig, Monica |
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| Edmund, Kyle |
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| Anisimova, Amanda | | Collins, Danielle | | Fritz, Taylor | | Williams, Serena |
| |