Rodney's Golurk participated in the that participated in the Pokémon Sumo which was part of the festival on Harvest Island that celebrates the harvest of fruit. Since no Pokémon attacks could be used in the tournament, its sheer size gave it an enormous advantage.
During the Pokémon Sumo,
Rodney's Golurk was first matched up against
Meowth who was dressed up in a Golonya costume. The match only lasted one move which sent Team Rocket flying into the sky.
Rodney's Golurk made it to the finals where it was matched up against
Ash's Pignite.
Rodney thought he could easily defeat
Ash's Pignite, but its agile moves proved to be too much for
Rodney's Golurk and
Ash Ketchum defeated
Rodney to win the Pokémon Sumo.
Since Pokémon attacks were banned from the competition, none of
Rodney's Golurk moves are confirmed.