Kickboxer Antz Nansen spoiled the MMA debut of fellow-newcomer Hiroshi Izumi on Wednesday in the main event of Sengoku 10, stopping the 2004 Olympic judo silver medalist from Japan with strikes in the opening round of the headliner at the Saitama Super Arena in Saitama, Japan.

Hatsu Hioki, Michihiro Omigawa, Masenori Kanehara, and Marlon Sandro advanced to the semifinals of the Sengoku's featherweight grand prix on Friday with victories at Sengoku Eighth Battle in Tokyo, Japan.