Peco practices among college students at the training center in preparation for the Inter-High preliminaries. When Koizumi learns from Obaba that Peco is still playing table tennis, he registers Peco for the event.
I told him to test his reverse side 
against weaker opponents first.
Le dije que primero probase su revés
contra oponentes más débiles.
Eu falei para ele testar o outro 
lado contra oponentes mais fracos.