Kongchai Chanaidonmuang () is a Thai Muay Thai fighter. He trained under Sangtiennoi Sor.Rungroj at Tor.Sangtiennoi gym in the North of Pathum Thani Province and fights under the banner of the OneSongchai promotion.

Biography and career Kongchai was born in the Prakhon Chai District of Buriram Province. He started boxing at 10 years old and started fighting soon after. Originally called Kongsiam, he later changed his ring name to Kongchai.

ONE Championship Kongchai made his ONE Championship debut at ONE Friday Fights 3 against Kritpetch P.K.Saenchai on February 3, 2023. He won the fight by first round knockout.

Kongchai faced Akram Hamidi at ONE Friday Fights 66 on June 8, 2024. He lost the fight by first round technical knockout.

On November 15, 2024, Kongchai defeated Chokpreecha P.K.Saenchai by unanimous decision. They both received a fight of the night bonus.

On January 10, 2025 Kongchai faced Ramadan Ondash in the main event of ONE Friday Fights 93. He lost the fight by unanimous decision.

Kongchai rematched Chokpreecha P.K.Saenchai at ONE Friday Fights 108. He won the fight by knockout in the second round.

Titles and accomplishments ONE Championship Performance of the Night (Four times) Rajadamnern Stadium 2020 Rajadamnern Stadium 115 lbs Champion Thanakorn Stadium 2020 Thanakorn Stadium 122 lbs Champion Jitmuangnon Stadium (Or.Tor.Gor.3 Stadium) 2022 Jitmuangnon 126 lbs Champion

Fight record

|- style="background:#;" | 2026-09-11 || ||align=left| Sandro Bosi || ONE The Inner Circle 30, Lumpinee Stadium|| Bangkok, Thailand || || ||

|- style="background:#cfc;" | 2026-06-05 || Win|| align=left| Valerii Strungari || ONE Friday Fights 157, Lumpinee Stadium || Bangkok, Thailand || KO (Knee) || 1|| 1:32 |- style="background:#cfc;" | 2026-03-28 || Win|| align=left| Mehrdad Khanzadeh || ONE Friday Fights 148, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00 |- style="background:#cfc;" | 2026-01-30|| Win||align=left| Thway Lin Htet || ONE Friday Fights 140, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00 |- style="background:#cfc;" | 2025-09-19|| Win||align=left| Walter Goncalves || ONE Friday Fights 125, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00 |- style="background:#fbb;" | 2025-06-27 || Loss||align=left| Kompetch Fairtex || ONE Friday Fights 114, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00

|- style="background:#cfc;" | 2025-05-16 || Win ||align=left| Chokpreecha P.K.Saenchai || ONE Friday Fights 108, Lumpinee Stadium || Bangkok, Thailand || KO (Left cross) || 2 || 0:26

|- style="background:#fbb;" | 2025-02-28 || Loss||align=left| Chartpayak Saksatoon || ONE Friday Fights 98, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00

|- style="background:#fbb;" | 2025-01-10 || Loss||align=left| Ramadan Ondash || ONE Friday Fights 93, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00

|- style="background:#cfc;" | 2024-11-15 || Win||align=left| Chokpreecha P.K.Saenchai || ONE Friday Fights 87, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00

|- style="background:#cfc;" | 2024-09-13 || Win ||align=left| Amir Abdulmuslimov || ONE Friday Fights 79, Lumpinee Stadium || Bangkok, Thailand ||Decision (Unanimous) ||3 ||3:00

|- style="background:#fbb;" | 2024-06-08 || Loss ||align=left| Akram Hamidi || ONE Friday Fights 66, Lumpinee Stadium || Bangkok, Thailand || TKO (Punches) || 1 || 1:41

|- style="background:#fbb;" | 2024-04-05 || Loss ||align=left| Kompetch Sitsarawatsuer || ONE Friday Fights 58, Lumpinee Stadium || Bangkok, Thailand ||Decision (Unanimous) ||3 ||3:00

|- style="background:#cfc;" | 2024-01-26 || Win ||align=left| Xavier Gonzalez || ONE Friday Fights 49, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) ||3 ||3:00

|- style="background:#fbb;" | 2023-09-08 || Loss||align=left| Kompetch Sitsarawatsuer || ONE Friday Fights 32, Lumpinee Stadium || Bangkok, Thailand ||Decision (Unanimous) || 3 || 3:00

|- style="background:#cfc;" | 2023-07-21 || Win||align=left| Jelte Blommaert || ONE Friday Fights 26, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) || 3 ||3:00

|- style="background:#cfc;" | 2023-05-28|| Win ||align=left| Xavier Gonzalez || ONE Friday Fights 14, Lumpinee Stadium || Bangkok, Thailand || Decision (Majority) || 3 ||3:00

|- style="background:#cfc;" | 2023-03-03|| Win ||align=left| Chalamkhao P.K.Saenchai || ONE Friday Fights 7, Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) || 3 ||3:00

|- style="background:#cfc;" | 2023-02-03 || Win||align=left| Kritpetch P.K.Saenchai || ONE Friday Fights 3, Lumpinee Stadium || Bangkok, Thailand|| KO (Body kick)|| 1 || 1:15

|- style="background:#fbb;" | 2022-12-25 || Loss ||align=left| Apiwat SorJor.OleyYasothon || Muaydee VitheeThai + Jitmuangnon, Or.Tor.Gor3 Stadium || Nonthaburi province, Thailand|| Decision || 5 || 3:00

|- style="background:#c5d2ea;" | 2022-11-18 || Draw ||align=left| Diesellek BuildJC || Ruamponkon + Prachin || Prachinburi province, Thailand || Decision (Split)|| 5 ||3:00

|- style="text-align:center; background:#cfc;" | 2022-10-06 || Win ||align=left| Kaito Wor.Wanchai || Petchyindee, Rajadamnern Stadium || Bangkok, Thailand ||Decision || 5 ||3:00

|- style="background:#cfc;" | 2022-09-04 || Win ||align=left| Apiwat SorJor.OleyYasothon || Muaydee VitheeThai + Jitmuangnon, Or.Tor.Gor3 Stadium || Nonthaburi province, Thailand|| Decision (Split)|| 5 ||3:00 |- ! style=background:white colspan=9 |

|- style="background:#fbb;" | 2022-07-27 || Loss||align=left| Saenson Erawan || Muay Thai Chalermprakiat + Yod Muay Mahachon ||Nonthaburi province, Thailand||Decision || 5|| 3:00

|- style="background:#cfc;" | 2022-07-03 || Win||align=left| Pornpitak SorTor.TanomsriBangpu || Muaydee VitheeThai + Jitmuangnon, Or.Tor.Gor3 Stadium ||Nonthaburi province, Thailand|| Decision ||5 ||3:00

|- style="background:#cfc;" |2022-06-04 || Win|| align="left" | Superlek Jitmuangnon || Jaomuaythai, Siam Omnoi Stadium ||Samut Sakhon, Thailand|| Decision || 5 ||3:00

|- style="background:#c5d2ea;" |2022-05-07 || Draw|| align="left" | Petchtawee Sor.PhongAmorn ||Jitmuangnon Super Fight, Or.Tor.Gor3 Stadium ||Nonthaburi province, Thailand|| Decision|| 5 ||3:00

|- style="background:#cfc;" | 2022-04-16|| Win ||align=left| Petchthong NayokwitThungSong || Jitmuangnon Super Fight, Or.Tor.Gor.3 Stadium || Nonthaburi Province, Thailand ||TKO (Punches) || 3 || |- style="background:#cfc;" | 2022-03-20|| Win||align=left| Petchpadriew SorJor.Vichitmuangpadriew || MuayDeeVithitai + Jitmuangnon, Or.Tor.Gor.3 Stadium || Nonthaburi Province, Thailand || Decision|| 5 ||3:00

|- style="background:#fbb;" | 2022-02-20|| Loss||align=left| Petchthong NayokwitThungSong || MuayDeeVithitai + Jitmuangnon, Or.Tor.Gor.3 Stadium || Nonthaburi Province, Thailand || Decision || 5 ||3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 2021-12-19|| Win ||align=left| Phethuahin Sor.Prawatmuang || MuayDeeVithitai + Jitmuangnon, Or.Tor.Gor.3 Stadium || Nonthaburi Province, Thailand || TKO (Punches & Knees) || 3 || |- style="background:#cfc;" | 2021-11-14|| Win ||align=left| Chalamdam NayokwitThungSong || MuayDeeVithitai + Jitmuangnon, Or.Tor.Gor.3 Stadium || Nonthaburi Province, Thailand || Decision || 5 || 3:00 |- style="background:#fbb;" | 2021-04-17|| Loss||align=left| Superlek Jitmuangnon || SuekJaoMuayThai, Siam Omnoi Stadium|| Samut Prakan, Thailand || KO (Right Elbow) || 2 || |- style="background:#fbb;" | 2021-03-12|| Loss||align=left| Saksri Kiatmoo9 || Muaymanwansuk, Rangsit Stadium || Rangsit, Thailand || Decision || 5 || 3:00 |- style="background:#fbb;" | 2020-11-14|| Loss||align=left| Superlek Jitmuangnon || Jitmuangnon + Sor.CafeMuayThai, OrTorGor.3 Stadium || Nonthaburi Province, Thailand || Decision (split) || 5 || 3:00 |- style="background:#cfc;" | 2020-09-26|| Win ||align=left| Yodpanom Por.Petchkaikaew || OneSongchai, Thanakorn Stadium || Nakhon Pathom Province, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#c5d2ea;" | 2020-08-25|| Draw||align=left| Watcharapon PKsaenchaiMuayThai || Chef Boontham, Thanakorn Stadium|| Nakhon Pathom Province, Thailand || Decision || 5 || 3:00 |- style="background:#fbb;" | 2020-07-25|| Loss ||align=left| Wanmawin Pumpanmuang || Yodmuay Onesongchai, Thanakorn Stadium|| Nakhon Pathom Province, Thailand || KO (Right Elbow)|| 2 || |- style="background:#cfc;" | 2020-03-05|| Win||align=left| Puenkon Tor.Surat || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2020-01-30|| Win ||align=left| Phetsuphan Por.Daorungruang || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 2019-12-12|| Win ||align=left| Yodpetch AnnyMuayThai || Rajadamnern Stadium || Bangkok, Thailand || TKO (Punches & Elbows) || 2 || |- style="background:#cfc;" | 2019-11-07|| Win ||align=left| Phichitchai Sor.ChatchaiGym || Rajadamnern Stadium || Bangkok, Thailand || TKO (Punches) || 4 || |- style="background:#cfc;" | 2019-09-30|| Win ||align=left| Paruhatlek Muangsima || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2019-08-17|| Win ||align=left| Paruhatlek Muangsima || Thanakorn Stadium || Nakhon Pathom Province, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2019-06-06|| Win ||align=left| Fahlan Por.Petchkaikaew || Rajadamnern Stadium || Bangkok, Thailand || KO (Left High Kick) || 4 || |- style="background:#cfc;" | 2019-04-22|| Win ||align=left| Maoklee Petchsimuen || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2019-03-26|| Win ||align=left| Yodpanom Por.Petchkaikaew || Lumpinee Stadium || Bangkok, Thailand || KO (Left Elbow)|| 4 || |- style="background:#fbb;" | 2019-02-28|| Loss ||align=left| Maoklee Petchsimuen || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2018-12-27|| Win ||align=left| Rungnara Rattanaphanu || Rajadamnern Stadium || Bangkok, Thailand || KO (Left Cross)|| 3 || 0:07 |- style="background:#cfc;" | 2018-11-05|| Win ||align=left| Tongsabat Or.NokkaewMuayThai || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- style="background:#fbb;" | 2018-08-30|| Loss||align=left| Tongsabat Or.NokkaewMuayThai || || Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2018-06-03|| Win ||align=left| Liempetch Lookphayalithai || Channel 5 Stadium || Thailand || Decision || 5 || 3:00 |- style="background:#cfc;" | 2018-04-22|| Win ||align=left| Sudsakorn Sitnayokmoht || Rangsit Stadium ||Rangsit, Thailand|| Decision || 5 || 3:00 |- style="background:#cfc;" | 2018-01-28|| Win ||align=left| Numphibun Por.Prakan|| || Thailand || KO || 4 || |- style="background:#fbb;" |- | colspan=9 | Legend:

References