He fought with Tamekane for the position of editor of the collection of poems selected under the imperial order, and Tameyo lost while Tamekane was chosen to collect and edit poems for "Gyokuyo Wakashu" (Jeweled Leaves Collection, Fourteenth imperial anthology).
1309年（延慶(日本)2年）頃、為兼と勅撰和歌集の撰者の地位をめぐって争い、為世は敗れて為兼が『玉葉和歌集』を撰進することとなった。