MANILA, Philippines--Marlon Tapales is unfazed as he embarks on a challenge proven to be improbable so far: beat Naoya Inoue. Not only is Inoue undefeated, the Japanese pound-for-pound king has been an invincible force with 22 of his 25 wins going inside the distance. Still, Tapales is confident that he has what it takes to stop Inoue. "I will be the Japanese Monster's biggest nightmare this coming December at his own hometown," said Tapales, who's dubbed as "Nightmare," in a story on BoxingScene.com. "So glad my everyday training always goes smoothly. My condition looks good, as well as my stamina, durability, punching power and quickness." "By December during the fight ...Keep on reading: Marlon Tapales says he will be Naoya Inoue’s ‘worst nightmare’