From B.E.

2485-2487 (1942-1944 CE), while the war was still going on,
boxing bouts were organized in movie theaters during the daytime. There were
boxing stadiums at Patanakarn, Ta Prachan, and Wongwian Yai where the public
could be entertained.
On the 23rd of December, B.E. 2488 (1945 CE), Ratchadamnern boxing
Stadium was opened officially. Mr. Pramote Puengsoonthorn was its chairman and
Praya Chindharak was its administrator.