Nanjiro tricks Ryoma into teaching Sakuno and Tomoka tennis. While trying to teach the two girls tennis, however, Sakuno accidentally disrupts the practice of a school team. In order to help, Ryoma defeats the entire team, not knowing that they are one of Seigaku's next opponents, Ginka. Unbeknownst to them, Yamabuki's Jin Akutsu, who was planning to beat Ginka himself, is observing the entire event. (thetvdb.com)