 He was to be paid €600.On 11 April 2018 it was announced that Ganbayar had returned to Mongolia on loan to play for Ulaanbaatar City FC on a one-year, ₮6,000,000 per month contract until October 2018.On 23 April 2018, in his first competitive match with the club, Ulaanbaatar City FC won the 2018 Mongolia Super Cup 4–2 over Erchim FC.