Marine Cup tournament

The Marine Cup Tournament is a competition held in the Decolore Islands. It is a competition the consists of 16 Pokémon trainers in single Pokémon battles. But, unknown to everyone, the tournament was part of an elaborate scheme set up by a master jewel thief.

Known competitors

 * Ash Ketchum: Winner
 * Teaque: Runner-up
 * Iris: Top 16