Topic - Andrea Petkovic

In other action on a humid and windy Day 2 at the hard-court tournament, women's winners included 2017 champion Sloane Stephens, No. 1 Iga Swiatek, No. 6 Aryna Sabalenka, No. 8 Jessica Pegula, No. 9 Garbiñe Muguruza, No. 13 Belinda Bencic - whose opponent, Andrea Petkovic, said she is retiring from pro tennis - and No. 22 Karolina Pliskova, the 2016 runner-up in New York.

Venus Williams out of U.S. Open in first round for second time →