Item 8: Rounds

A. Wai Khru:       Before the first round, every boxer must perform the traditional Thai ritual of homage “Wai Khru” according to the customs of Muaythai.  It is not permitted to perform any other form of martial art ritual that is not a conventional part of the art of Muaythai.  The traditional Thai musical instruments - java pipe, small cymbals and two drums - will accompany the ritual. 

B. Rounds;          World Continental Championship and Tournament: In World or Continental Championships or Tournaments, there shall be 4 rounds of 2 minutes each for both male and female competitors.

For Juniors, it will be 3 rounds of 2 minute each. 
Stopping of the contest for warning cautions, putting clothing or equipment into order or for any other reason is not included in the 2 minutes. 
A full 1 minute of rest shall be given between the rounds.  No additional round may be given. 

C. International Contest: The rounds are normally the same as above but if previously agreed, 3 rounds of 3 minutes each may be boxed.  There shall always be a 1 minute interval between rounds.