A former Seigaku tennis player makes a surprise appearance while Ryoma is training, inviting him to witness his match against Tezuka.  And before the end of the match, Tezuka’s secret will have been revealed and a life altering decision made.
I have to go give him something he forgot.
Le entregaré algo que se le había olvidado.
Tengo que avivar sus recuerdos.
Tenho que devolver a ele algo
 que ele esqueceu.