▁In ▁ 2 0 1 2 , ▁his ▁last ▁year ▁as ▁a ▁junior , ▁he ▁was ▁instrument al ▁in ▁Japan ' s ▁first ▁ever ▁mixed ▁team ▁title ▁at ▁the ▁ 2 0 1 2 ▁Asian ▁Junior ▁Bad m inton ▁Championships . ▁He ▁and ▁Ak ane ▁Yam ag uch i ▁beat ▁Pe i ▁T ian yi ▁and ▁Hu ang ▁Ya q ion g ▁to ▁begin ▁the ▁tie . ▁ ▁At ▁the ▁World ▁Junior ▁Championships ▁the ▁same ▁year , ▁he ▁and ▁Yam ag uch i ▁played ▁the ▁last ▁match ▁of ▁the ▁mixed ▁team ▁tie ▁in ▁the ▁final ▁against ▁China . ▁They ▁lost ▁their ▁third ▁game ▁to ▁Wang ▁Y il ü ▁and ▁Chen ▁Q ing chen ▁ 2 2 - 2 4 , ▁giving ▁China ▁the ▁title . ▁ ▁Ach iev ements ▁ ▁B WF ▁World ▁Tour ▁ ▁The ▁B WF ▁World ▁Tour , ▁announced ▁on ▁ 1 9 ▁March ▁ 2 0 1 7 ▁and ▁implemented ▁in ▁ 2 0 1 8 , ▁is ▁a ▁series ▁of ▁el ite ▁bad m inton ▁tournament s , ▁san ction ed ▁by ▁Bad m inton ▁World ▁Federation ▁( B WF ). ▁The ▁B WF ▁World ▁Tour ▁are ▁divided ▁into ▁six ▁levels , ▁namely ▁World ▁Tour ▁Final s , ▁Super ▁ 1 0 0 0 , ▁Super ▁ 7 5 0 , ▁Super ▁ 5 0 0 , ▁Super ▁ 3 0 0 ▁( part ▁of ▁the ▁H SB C ▁World ▁Tour ), ▁and ▁the ▁B WF ▁Tour ▁Super ▁ 1 0 0 . ▁ ▁Men ' s ▁doubles