As part of their Pokémon School campaign, Ash & co. play Poké-Ping Pong, a game of Ping Pong with your Pokémon, taught by Ilima. While playing, they learn Ilima is a skilled player and is set to enter a tournament soon. Ash & Co. decide to go watch the tournament, but they soon learn that a player that defeated Ilima in a prior tournament will also be taking part. Will Ilima be able to win?