Sangtiennoi Sor.Rungroj () was a decorated Thai Muay Thai fighter. A veteran of over 200 fights, he was a Lumpinee Boxing Stadium and Rajadamnern Stadium champion as well as being WMC World Champion, and remained a Muay Thai trainer at his own Tor.Sangtiennoi gym near Bangkok, until his death on May 16, 2021.
Biography and career
Sangtiennoi had his first fight at 13 years of age against his parents' will, and won 100 baht. He moved to Lukmingkwan gym to start his career in Bangkok, where he took the name Sangtiennoi Sitsurapong.
Sangtiennoi was one of the most popular Muay Thai fighters of his era, receiving purses of over 200,000 baht. His aggressive fighting style made him a fan favorite and saw him fighting for the King's Birthday events against famous international competitors including Dany Bill and Ramon Dekkers.
Sangtiennoi was also a primary training partner and Thai-based teacher of successful Australian Muay Thai fighter John Wayne Parr.
During his fight with Yucel Fidan in 1999 Sangtiennoi, dislocated his shoulder. The injury would continue to hinder him, and he was forced to retire in 2000 when his shoulder was damaged against Takashi Ito in Japan.
During the recovery from injuries, Sangtiennoi opened a gym in his native Pathum Thani.
On May 16, 2021, Sangtiennoi took his own life with a gun, at the age of 54.
Titles & honours
World Muay Thai Council
1988 WMTC World -65kg Champion
Lumpinee Stadium
1997 Lumpinee Stadium Lightweight (135 lbs) Champion (one defense)
Rajadamnern Stadium
1989 Rajadamnern Stadium 130 lbs Champion
Fight record
|- style="background:#fbb;" | 2000-03-20|| Loss ||align=left| Takashi Ito || MAJKF "Combat 2000" || Tokyo, Japan || TKO (Shoulder dislocation) || 5 || 2:28 |- ! style=background:white colspan=9 | |- style="background:#c5d2ea;" | 1999 || Draw||align=left| Samkor Kiatmontep || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#fbb;" | 1999-03-12|| Loss ||align=left| Yucel Fidan || Impact, Muang Thong Thani || Pak Kret District, Thailand || TKO (Shoulder dislocation) || 4 || |- bgcolor="#fbb" | 1998-12-05 || Loss||align=left| Dany Bill || King's Birthday Event || Bangkok, Thailand || Decision (Unanimous) || 5 || 3:00 |- style="background:#f7f6a8;" | 1998-11-14|| Ex ||align=left| Hiromu Yoshitaka || Shootboxing GROUND ZERO TOKYO || Tokyo, Japan || Exhibition || 3 || 3:00 |- style="background:#cfc;" | 1998-10-31 || Win||align=left| Kaoponglek Luksuratham || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 1998-08-09 || Win ||align=left| Marcus Mangan || Thailand vs Australia || Australia || Decision (Unanimous) || 5 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 1998 || Win||align=left| Nuengtrakarn Por Muang Ubon || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#fbb;" | || Loss||align=left| Samkor Kiatmontep || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- bgcolor="#cfc" | 1998-02-14 || Win||align=left| Prabpramlek Sitnarong || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- bgcolor="#cfc" | 1997-12-05 || Win||align=left| Hassan Kassrioui || King's Birthday Event || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 1997-09-27 || Win||align=left| Keng Singnakonkuay || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#fbb;" | 1997-04-20 || Loss ||align=left| Ramon Dekkers || The Night of No Mercy || Amsterdam, Netherlands || Decision (Unanimous) || 5 || 3:00
|- style="background:#c5d2ea;" | 1996-10-11 || Draw||align=left| Orono Por Muang Ubon || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#fbb;" | 1996-09-21 || Loss ||align=left| Sakmongkol Sithchuchok || Beer Chang Tournament, Semi Final || Bangkok, Thailand || Decision (Unanimous) || 5 || 3:00 |- style="background:#fbb;" | 1996-07-13 || Loss ||align=left| Wallop Sor.Sartpat || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 1996-05-03 || Win ||align=left| Pairot Wor.Wolapon || Lumpinee Stadium || Bangkok, Thailand || || ||