 Yūichi started his 2012 campaign by making it to the quarterfinals of the Chennai Open before falling to Nicolás Almagro in three close sets, knocking out eighth seed Oliver Rochus and Lu Yen-hsun on the way.After competing in ATP World Tour events in Asian swing, Sugita became the runners-up of the Bangkok Challenger and Seoul Challenger.He achieved his career-high ranking of world no.116 in November.