Hamburg, Gstaad, and Atlanta previews and predictions
Hamburg welcomes Dominic Thiem back to his favorite surface, while another clay-court event in Gstaad features Fabio Fognini, Roberto Bautista Agut, and Borna Coric. Meanwhile, the U.S. Open Series kicks off on the hard courts of Atlanta—where John Isner and Nick Kyrgios are the headliners. […]