sentences:  Aoki met Fedor Emelianenko during a five-minute "special exhibition" at an April 29 M-1 Challenge (presented by Affliction) event in Tokyo.Emelianenko made Aoki tap out from an Achilles lock.Aoki defeated Vítor Ribeiro at Dream 10 on July 20, 2009, which earned him a title fight against Joachim Hansen.