How do I get a gym leader to battle me?

Question

Done with game

Answer 1

None of the gym leaders rebattle you in Pokemon white. The only time they battle you is the first time when you get the badge.
Source: experience

Comments

He said nothing about White Version.

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it was tagged in the question

Answer 2

You can't rematch a Gym Leader, except for HG/SS, and, I think just Platinum, where you can find them in the Survival Area (Platinum) or the Fighting Dojo (After obtaining their phone numbers and finding the Karate King).