Firstly we now know that Nakatani will be defending his title against Thai foe Pharanpetch Tor Buamas (22-2, 18) [AKA Amphol Suriyo], who entersd the bout ranked #7 at Lightweight by the OPBF, 2 places ahead of Nihito Arakawa. Coming in to this the Thai is on a 4 fight stoppage run, albeit against weak opponents in Thailand, following a stoppage loss to Brandon Ogilvie in 2016. It's hard to see what the challenger will be able to do against such a talented champion and we really can't see the challenger having the skills to test the talented Nakatani, though Pharanpetch may have the power to trouble Nakatani if he manages to land clean.
The main supporting bout will be ring return of former world title challenger Sho Ishida (24-1, 13) [石田 匠], who will be up against big punching Thai Lucky Tor Buamas (12-1, 12) [Ratchanon Sawangsoda], who enters the bout as an OPBF ranked fighter with a lot to lose. This will be Ishida's first bout since his 2017 loss to Kal Yafai in the UK and will be his chance to re-establish himself before beginning to rebuild towards a second world title fight. As for Lucky this bout is a potential platform for him to force his name into the world title picture, if he can pick up the upset.
Others on the card include Masayoshi Hashizume (14-0-1, 10) [橋詰将義], who will be seeking a retiurn to winning ways following a draw, and 17 year old Kazusa Arai (2-1, 2) [新井一颯] and 19 year old Futa Akizuki (10-1,8) [秋月楓大], who will both be looking to bounce back from their first defeats.