His Manager, Chana Supkaew brought him along with brilliant planning, mentoring him with great achievement and very few losses.
Borkhorsor started his more competitive boxing career in Bangkok around May 1968, in his first year obtaining seven knockouts in his first nine fights.
He held the OPBF Bantamweight title on February 11, 1975, when he defeated Bok-soo Hwang in a ninth round knockout in Bangkok.
He took the Thai Bantamweight title on July 27, 1979 from Duanesan Lukklongjan in a seventh round knockout in Bangkok, Thailand.
His single loss by knockout in the fourth round against Detkat Kiatboonyong, holder of the Thai Bantamweight title, on January 22, 1980 may have precipitated his retirement.