2019 U.S. Open: Highlights From Day 2. United States Open (Tennis), Tennis, Gauff, Cori (2004- ), Gibbs, Nicole (1993- ), Halep, Simona, Millman, John, Nadal, Rafael, Osaka, Naomi (1997- ), Shapovalov, Denis (1999- ), Thiem, Dominic, Tsitsipas, Stefanos, Bautista Agut, Roberto, Riske, Alison, Stephens, Sloane