Complex sentence: On June 30,2006, K-1 judges admitted the decision was a mistake, and this match's result was officially changed to "Le Banner defeated Bonjasky by unanimous decision (30-29)".
Split into simpler sentences: On June 30,2006, K-1 judge admitted the decision was a mistake. And this match's result officially changed to "Le Banner won Bonjasky by unanimous decision (point is 30-29)".