Climbing the Walls!

Finally arriving in Cyllage City, Ash decides to rush to the Cyllage City Gym to challenge Grant to a match. Grant accepts and sends out Onix, to which Ash responds by sending Froakie. Having trained hard to work around Onix's Rock Tomb strategy that they saw previously. Will the strategy work, and when it comes down to Pikachu against the fossil Pokémon, Tyrunt, will Ash manage to win the overall battle?