I think it's like about ryoma and the seigaku members going to America or winbulton or something like that. And seigaku, hyotei, shitenhouji, rikkaidai fuzoku, and higachu is there to compete against these other tênis players in a tournament I think.
The movie's título is The Prince of Tennis: Eikoku-shiki Teikyū-jō Kessen!....It's about Seigaku and a familiar selection of Japan's other topo, início junior tênis teams gather in Wimbledon, London, for a tênis tournament. During tênis practice, the Japanese players are suddenly attacked por a violent "street tennis" group that calls themselves "Clack". An encounter with a former Clack member named Xiu leads Ryoma and his friends into a battle with Clack to confront its leader, Keith, and discover his reasons for having such a violent approach to tennis.