Jitti started Muay Thai training at the age of 13 in Khon Kaen.
Jitti took part in the first "two against one" bout in Bangkok Muay Thai history.
He teamed up with Jocky Sitkanpai, they relayed each other to fight Posai Sitiboonlert for three rounds each.
[4] Jitti was among the thai fighter selected to face foreign champions on at Lumpinee Stadium on September 6, 1977.
He defeated the American kickboxer Earnest Hart Jr by TKO in the fourth round.