WTF Competition Rules
<< Article 6     Article 8 >>
Article 7. Duration of Contest

The duration of the contest shall be three rounds of three minutes with one minute of rest between rounds in male division. For female division and World Junior Championships, three rounds of two minutes with one minute of rest will be applied.
However, the duration of the contest for male division may be shortened to three rounds of two minutes with one minute of rest between rounds with the approval of the WTF.