In the 2016 Irani Cup, representing Mumbai against the Rest of India, Iyer scored 55 in the first innings before falling for a duck in the second, as Mumbai went down in a close contest. Playing for the Rest of India in the 2019 Irani Cup final against Vidarbha, he scored 19 in the first innings and an unbeaten 61 in the second, though the team ended on the losing side.