Totchtawan announced his retirement after Thailand national football team failed to qualify for the World cup 2010.

May 2009, After parting way with Christophe Larrouilh in the middle of the season, BEC Tero Sasana decided to promote Tawan Sripan to be the player-coach of the club.

Sripan managed the club to finish in the fourth place of the table and reach the final of 2009 FA Cup.

BEC Tero lost in the final against Thai Port by the penalty shoot-out after the 1–1 draw at the end of the extra-time.

On 11 May 2015, around a month after the club head coach Attaphol Buspakom had died of sepsis, Police United of Division 1 announced the appointment of Totchtawan Sripan.

Totchtawan made the official managerial debut on 2 February 2016 in AFC Champions League Preliminary Round 2 against Johor Darul Ta'zim from Malaysia.

On 22 January 2017, Totchatawan guided Muangthong United to lift 2017 Thailand Champions Cup trophy with a 5–0 win over Sukhothai.

In 2017 AFC Champions League group stage, Totchtawan created the impressive run with Muangthong United by a point in the opening game against Brisbane Roar before the historic first win in the competition over Japanese J1 League champion Kashima Antlers at Supachalasai Stadium in the second match.