Wallace is a Contest Master and a Gym Leader.
Wallace battled against
Ash Ketchum in the middle of the street in Lilycove City during the time that
Ash Ketchum was participating in the Pokémon World Championships competition. Ash initially didn't know who he was but he reminded him of the contest that
Dawn and
May participated in. He told Ash that he'd been following his
progress in the PWCS and he thought it was surely fate that they met and suggested a battle. Ash was in a hurry to see the Lilycove City Pokémon Contest that
Chloe Cerise was participating in but once
Wallace said that he was on par with the Champion of the Houen region,
Steven Stone, Ash couldn't refuse to battle! Most of the battle was not shown but
Wallace was defeated and he gave
Ash Ketchum a Rain Badge.