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.
Hey, Yamato, your junior's beating you.
¡Oye, Oye, Yamato!
¡Oye, Yamato!
Ei, Yamato, seu calouro 
está acabando com você.