I think it's like about ryoma and the seigaku members going to America atau winbulton atau something like that. And seigaku, hyotei, shitenhouji, rikkaidai fuzoku, and higachu is there to compete against these other tenis players in a tournament I think.
The movie's judul is The Prince of Tennis: Eikoku-shiki Teikyū-jō Kessen!....It's about Seigaku and a familiar selection of Japan's other puncak, atas junior tenis teams gather in Wimbledon, London, for a tenis tournament. During tenis practice, the Japanese players are suddenly attacked oleh 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.