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History of the Rajadamnern Stadium Welterweight Title

Below is the history of the Rajadamnern Stadium Welterweight (147 lb / 66.6 kg) Muay Thai title.

The reigning champion is Tapaokaew Singha Mawynn, who claimed the title on May 4, 2024 and unified the belt by beating interim champion Nuenglanlek Jitmuangnon on August 9, 2025. The inaugural champion Boonmee Maechamang defeated Yodying Luksurin for the title in 1955, making this one of the oldest titles in Muay Thai.

Champion lineage

Every recorded champion of the Rajadamnern Stadium Welterweight title, with the most recent at the top. Multiple reigns by the same fighter are shown as separate entries. Gaps marked “[…]” indicate periods where title changes are not fully documented.

#ChampionCountryDate wonNotes
55Tapaokaew Singha MawynnThailandMay 4, 2024Reigning champion. Unified the title against interim champion Nuenglanlek Jitmuangnon on August 9, 2025
54Hercules Wor JakkawutThailandDecember 2, 2023
53Erdem DincerTurkeyNovember 4, 2023Defeats Ruben LaPira
52Sajad SattariIranApril 15, 2023Defeats Yodkhunpon MooThong Academy; vacates in September 2023 to compete on ONE Friday Fights
51Shadow SingmawinThailandMarch 21, 2022Defeats Julio Lobo; vacant in 2023
50Rambo JPowerRoofSamuiThailandDecember 17, 2020Defeats Saenpon PetchPachara; title inactive in 2021 due to the COVID-19 pandemic
49Jomthong ChuwattanaThailandJanuary 5, 2020Defeats Phetnarin Gleuarae 1T; vacant later in 2020
48Tuanpae Sor.SommaiThailandMarch 14, 2019Defeats Phetnarin Gleuarae 1T; vacant later in 2019
47Sakmongkol Sor.SommaiThailandJune 27, 2018Still champion as of August 2018; vacant as of February 2019
46Phet-Ubon SitchefboonthumThailandNovember 30, 2017Defeats Sakmongkol Sor.Sommai
45Fabio PincaFranceFebruary 23, 2017Still champion as of July 2017; vacant later in 2017
44Manaowan SitsongpeenongThailandMay 27, 2016Defeats Azize Hlali
43Josy Ingramgym (Jos Mendonca)BrazilJuly 4, 2013Defeats Phetthongkam Oh-Sanitpan; still champion as of February 2016; vacant later in 2016
42Numpon P.K.SterioThailandBy June 2010Still champion as of June 2012 and March 2013; vacant as of May 2013
41Bigban Chor Praram 6ThailandBy May 2008Still champion as of December 2009
40Noppadetsorn Chuwattana [2]ThailandAugust 20, 2006Second reign. Still champion as of November 2007; vacant in 2008
39Karuhat AikchumponThailandJune 16, 2006
38Noppadetsorn ChuwattanaThailandBy June 2004Exact date not recorded
37Charnvit KiatTor.Bor.Ubon [3]ThailandBy January 2004Third reign. Exact date not recorded
36Pajonsuk LookprabatThailand2000sOrder uncertain; exact date not recorded
35Omsin SitkoenhinThailand2003Exact date not recorded
34Charnvit KiatTor.Bor.Ubon [2]ThailandNovember 2002Second reign
33Kaoklai KaennorsingThailandSeptember 2002Defeats Charnvit KiatTor.Bor.Ubon
32Charnvit KiatTor.Bor.UbonThailandSeptember 16, 2001Won in Tokyo, Japan; vacant in 2002
31Takeda KozoJapanJanuary 21, 2001Won in Tokyo, Japan
30Chalamdam SittrattrakanThailand1999Still champion as of May 5, 2000
29Jomhod KiatadisakThailandJanuary 27, 1994Still or again champion in 1995
28Wicharn Chor.RojanachaiThailandJune 1992Defeats Ekapon Sitsei
27Payaklek YuttakitThailandNovember 22, 1990Defeats Kiatdisak Nungmuengma
26Sittisak Chor.WaikulThailandMay 11, 1988Defeats Siyok JockyGym
25Lakchart Sor.Prasartporn [2]ThailandMarch 23, 1987Second reign. Defeats Ekapon Sitsei; still champion as of November 1987; vacant in 1988
24Payap PremchaiThailand1986
23Lakchart Sor.PrasartpornThailandBy 1986Exact date not recorded
22Somsak KiatyothinThailandLate 1970s / early 1980sDefeats Kiattisam Joker; exact date not recorded
21Unknown champion–February 12, 1979Champion’s name not recorded
20Yodsing Sor.PayathaiThailandOctober 4, 1978Defeats Buriram Suanmiskawan
19Pongdejnoi PorntaweeThailandJune 2, 1978Defeats Saensuk Sor.Sangthai; vacant later in 1978
18Satanfah Sor.Prateep [2]ThailandBy November 2, 1977Second reign. Won the Lumpinee middleweight title on April 7, 1978
17Buriram Suanmiskawan [2]Thailand1977Second reign
16Mehmoud LukbothongThailandMid-1970sDefeats Khunpon Sakornpitak for the vacant title; exact date not recorded
15Pichit SingchuekluangThailandNovember 24, 1976
14Khunpon Sakornpitak [2]Thailand1976Second reign
13Satanfah Sor.PrateepThailandJune 2, 1975Still champion as of May 27, 1975 (held title earlier in 1975); vacant later in 1975
12Khunpon SakornpitakThailandMay 8, 1974
11Karavek KwanchaiThailandBy September 25, 1973Defeats Khunpon Sakornpitak
10Saensak MuangsurinThailand1970sOrder uncertain. Later became a world boxing champion
9Buriram SuanmiskawanThailandJune 6, 1973Defeats Kongdejnoi Lukbangplasoi for the vacant title
–Title vacant as of May 1973
8Dejrit Itthianuchit [2]ThailandNovember 10, 1968Second reign
7Apidej Sit-Hirun [2]ThailandJanuary 15, 1968Second reign
6Dejrit ItthianuchitThailandBy 1967Exact date not recorded
5Supachai JaroenmuangThailandMay 12, 1966Defeats Dejrit Itthianuchit
4Apidej Sit-HirunThailand1962Legendary Thai boxer. Defeats Sornchai Mallayuth; still champion as of September 9, 1963; vacant as of 1966
3Srisawat Thiamprasit (SitSor.Por.)ThailandBy 1959Defeats Boonmee Rajawat; stripped of the title after losing a non-title match in December 1961
2Samart SorndaengThailand1955Exact date not recorded
1Boonmee MaechamangThailand1955Inaugural champion. Defeats Yodying Luksurin

References