Iga Swiatek will advance against Nadia Podoroska in the US Open second round on September 2. The eighth seed arrives after a straight-sets 6-2, 6-3 first-round win over Xiyu Wang and will lean on that form against Podoroska. Podoroska rides momentum from a 4-6, 7-6 (7-5), 6-3 victory over Simona Wa…