Baghdatis's resurgence in season 2015 continued at the Atlanta Open to kick-off his US Open swing. Baghdatis, defeated Austin Krajicek, Sam Groth and Vasek Pospisil on his way to the semifinals. There, Baghdatis stunned Gilles Muller 6–7, 6–3, 7–6 to reach the final. In the final, Baghdatis obtained a right groin injury early in the match, severely hampering his performance in his 3–6, 3–6 loss to John Isner. It was Baghdatis's first appearance in an ATP World Tour final since 2011.