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.
Those racket frames are filled with lead.
Estas raquetas están rellenas de metal.
Estas no están huecas, sino rellenas de metal.
A estrutura dessas raquetes
 é toda de chumbo.