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 want to go straight from 
being Seigaku's pillar
Como candidato de la selección, 
después de ser el pilar del Seigaku,
como candidato de la selección y también como pilar del Seigaku.
Você quer deixar de ser
 o pilar do Seigaku