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.
Go and become a professional already.
Ve y conviértete en profesional 
de una vez por todas.
Pues vete y conviértete en un jugador profesional.
Vá e vire profissional de uma vez.