Kevin Anderson (8), South Africa, vs. John Isner (9), United States

Novak Djokovic (12), Serbia, vs. Rafael Nadal (2), Spain

Nicole Melichar, United States, and Kveta Peschke (12), Czech Republic, vs. Gabriela Dabrowski, Canada, and Yifan Xu (6), China

Alicja Rosolska, Poland, and Abigail Spears, United States, vs. Barbora Krejcikova and Katerina Siniakova (3), Czech Republic

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Jay Clarke and Harriet Dart, Britain, vs. Jamie Murray, Britain, and Victoria Azarenka, Belarus