16) Fuji's favorite color is beige

17)Sanada's name partly comes from Sanada Yukimura, a famous samurai in the Sengoku period. The other half went to his captain, Yukimura Seiichi. Sanada Yukimura was killed by the Echizen clan in the 1600s, which Konomi refererenced by having Ryoma defeat both Sanada and Yukimura.

18)It is possible that Akaya Kirihara is being trained to defeat Tezuka: one can infer this through his interest in him and in that he is especially proficient at defeating left-handed players.

19) Atobe can speak English, since he lived in England in his childhood, and German effortlessly (he's also shown speaking german during a phone call).

20) Kintaro can tell if you're the kind of person who will share food or not based on how you smell.