no you can't
You cannot rebattle Gym Leader in Pokemon White.
No
No,you cant rebattle neither the gym leader neither the guys that you must pass trough to go till him.
yes but only if you lose against one of the gym leaders
why wouldn't you be able to?
This is also what im finding but im not sure. I have the code for trainer rebattle but not gym leader rebattle. Well im sure i have seen "Press R to Rebattle Gym Leader"
The first gym in Pokemon diamond is in Oreburgh City
No, however, in Pokemon Platinum, it is possible to rebattle gym leaders at the Survival Area.
The Pokémon the second Gym Leader has in "Diamond" are Cherubi, Turtwig and Roserade.
The 6th gym leader is in Canalave City.
you beat the gym leader
He is in the lighthouse