Jadamba Narantungalag Nine fights are set for next month’s “ONE Championship 31: Odyssey of Champions” event, including a championship headliner. Officials today announced featherweight champion Jadamba Narantungalag (10-3) will meet undefeated challenger Marat Gafurov (11-0) in the featured bout. ONE Championship 31 takes place Sept. 27 at Istora Senayan in Jakarta, Indonesia