Arguably the biggest Japanese fight of this generation will take place today, as Naoya Inoue and Junto Nakatani meet in an undisputed-title clash . The unbeaten pair will square off in Tokyo, where Inoue puts all the major super-bantamweight belts on the line against his compatriot. The bout sees Nakatani (32-0, 24 KOs) fight in a division that is relatively new to him, as the former three-weight champion competes at super-bantamweight for just the second time. The 28-year-old moved up in December, scraping past Sebastian Hernandez Reyes to set up this bout with Inoue . Naoya Inoue during his win over Alan Picasso (Getty) On the same night, Inoue (32-0, 27 KOs) outclassed Alan Picasso to uphold his end of the Nakatani deal, which now brings the “Monster”, 33, one of his most-intriguing tests ever. Here’s all you need to know: When is the fight? Inoue vs Nakatani will take place on Saturday 2 May at the Tokyo Dome in Tokyo, Japan .…