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.
you end up chasing a ball 
that doesn't even exist.
terminas persiguiendo una bola que no existe.
terminas pensando que hay una pelota donde no la hay, y te ciegas.
e você acaba perseguindo 
uma bola que nem existe.