 Since Port FC Co took over the management of the club in 2015 by Nualphan, the team's results have improved.In 2017, Port returned to Thai League 1, Nualphan Lamsam announced the appointment of Kiatisuk Senamuangas the new head coach of the club, Kiatisuk was manager of the Thailand national football team 2014–2017.Kiatisuk has resigned as coach of Port FC after just three months in charge, managed just one win, six losses and three draws during his time with the club.