Iran began their 2018 FIFA World Cup qualification campaign with friendly matches against Chile and Sweden in March 2015. Queiroz resigned from his managerial post thereafter due to disagreements with the Iranian Football Federation. On 14 April 2015, Iran were drawn with Oman, India, Turkmenistan and Guam in the second round of qualifiers. On 26 April, Queiroz announced that he would continue as the manager of Iran for their 2018 World Cup campaign. Iran became the second team to qualify for the 2018 World Cup after a 2–0 win at home over Uzbekistan on 12 June 2017. They also clinched first place in their qualification group after South Korea's defeat to Qatar.
