Simplify the following text for a Grade 8 native English-speaking person.
Original: On November 21 , 2009 Kessler lost his championship to Andre Ward in the Super Six World Boxing Classic tournament .
Simplified: His first fight was against Andre Ward on November 21 , 2009 for Kessler 's WBA Super Middleweight Championship in the Super Six World Boxing Classic . On November 21 , 2009 Kessler lost his championship to Andre Ward .