First round
Zhang Shuai (33), China, def. Misaki Doi, Japan, 6-4, 6-0. Claire Liu, U.S., def. Nuria Parrizas Diaz, Spain, 7-5, 6-3. Jelena Ostapenko (12), Latvia, def. Oceane Dodin, France, 6-4, 6-4. Maria Sakkari (5), Greece, def. Zoe Hives, Australia, 6-1, 6-4. Viktorija Golubic, Switzerland, def. Andrea Petkovic, Germany, 6-4, 6-3. Catherine Harrison, U.S., def. Arantxa Rus, Netherlands, 6-1, 6-4. Yanina Wickmayer, Belgium, def. Zhu Lin, China, 6-4, 6-2. Mihaela Buzarnescu, Romania, def. Nastasja Schunk, Germany, 6-4, 6-2. Alize Cornet, France, def. Yulia Putintseva (27), Kazakhstan, 6-3, 7-6 (5). Marta Kostyuk, Ukraine, def. Katie Swan, Britain, 4-6, 6-4, 6-4. Viktoriya Tomova, Bulgaria, def. Daria Saville, Australia, 7-5, 3-6, 7-5. Lauren Davis, U.S., def. Madison Brengle, U.S., 6-2, 7-5. Lesley Pattinama Kerkhove, Netherlands, def. Sonay Kartal, Britain, 6-4, 3-6, 6-1. Barbora Krejcikova (13), Czech Republic, def. Maryna Zanevska, Belgium, 7-6 (4), 6-3. Ajla Tomljanovic, Australia, def. Jil Teichmann (18), Switzerland, 6-2, 6-3. Iga Swiatek (1), Poland, def. Jana Fett, Croatia, 6-0, 6-3. Paula Badosa (4), Spain, def. Louisa Chirico, U.S., 6-2, 6-1. Amanda Anisimova (20), U.S., def. Yuan Yue, China, 6-3, 6-4. Coco Gauff (11), U.S., def. Elena-Gabriela Ruse, Romania, 2-6, 6-3, 7-5. Ana Bogdan, Romania, def. Dayana Yastremska, Ukraine, 6-2, 6-2. Kirsten Flipkens, Belgium, def. Jaimee Fourlis, Australia, 7-5, 6-2. Simona Halep (16), Romania, def. Karolina Muchova, Czech Republic, 6-3, 6-2. Irina Bara, Romania, def. Chloe Paquet, France, 6-2, 6-4. Petra Kvitova (25), Czech Republic, def. Jasmine Paolini, Italy, 2-6, 6-4, 6-2. Sara Sorribes Tormo (32), Spain, def. Christina McHale, U.S., 6-2, 6-1. Magdalena Frech, Poland, def. Camila Giorgi (21), Italy, 7-6 (4), 6-1. Elena Rybakina (17), Kazakhstan, def. CoCo Vandeweghe, U.S., 7-6 (2), 7-5. Bianca Andreescu, Canada, def. Emina Bektas, U.S., 6-1, 6-3. Kristina Kucova, Slovakia, def. Laura Pigossi, Brazil, 7-5, 6-0. Katie Boulter, Britain, def. Clara Burel, France, 7-5, 6-3. Zheng Qinwen, China, def. Sloane Stephens, U.S., 7-6 (1), 7-5. Anna-Karolina Schmiedlova, Slovakia, def. Rebecca Peterson, Sweden, 7-5, 0-6, 6-3. Petra Martic, Croatia, def. Shelby Rogers (30), U.S., 6-2, 7-6 (5). Harmony Tan, France, def. Serena Williams, U.S., 7-5, 1-6, 7-6 (7).
Named Patrick Mutombo assistant coach. Announced Randy Ayers was promoted from assistant coach to coaching advisor on the team's staff.
Agreed to terms with WR Terry McLaurin on a three-year contract extension.
Announced RW Kasper Bjorkqvist agreed to terms on a two-year contract with Finnish club Karpat.