[2] After losing a decision to Kongsak Sitboonmee in December 2010 Pornsaneh took a break from fighting and spent time at a Buddhist temple and at his farm.
[17] He lost to Genji Umeno by fourth-round TKO due to a cut caused by an elbow at Rikix: No Kick, No Life 2014 in Tokyo, Japan on February 11, 2014.
[18][19] Pornsanae rematched Yetkin Özkul in a fight for the WBC Muaythai World Lightweight (-61.2 kg/135 lb) Championship at Le Choc des Légendes 2014 in Saint-Ouen, Seine-Saint-Denis, France on March 8, 2014, losing by third-round TKO.
[20] There was considerable controversy surrounding the match as the Sitmonchai camp claimed post-fight that Pornsanae had only been informed of the title on the line in the days leading up to the fight and that Özkul had been prevented from making the contracted weight due to stomach problems and instead weighed in around 72 kg/160 lb, although no official weigh-ins took place.
[21][22] On the night of July 30, 2020, Pornsanae Sitmonchai (legal name Noppasit Chinjaiyen) was involved in the murder of Sawang Charoenmak, a 43 year old man from Kanchanaburi known by locals for raising cock-fighting chickens.