Assunta managed to qualify for the Kanto Pokémon League and in round six she was drawn against Ritchie. She managed to defeat Ritchie and eliminate him from the competition but she was down to her last Pokémon when she won the match.
Assunta's Rhydon battles against Ritchie's Charmander in the sixth round.
Ivysaur was the final Pokémon that Assunta sent out to battle against Ritchie during her battle with him at the Pokémon Leauge. Ivysaur was able to defeat Ritchie's Pikachu to allow Assunta to advance to the next round.