How do I get a gym leader to rematch me (Emerald)?

Question

So most of the contacts in my PokeNav have wanted rematches except gym leaders

Answer 1

You have to defeat the Elite 4 first, then the Gym Leaders will be ready to battle you again.

>In Pokémon Emerald, the Gym Leaders can be rematched through a Double Battle via the PokéNav's Match Call. The player must have defeated the Elite Four.

Hope This Helped :D

Comments

I already beat E4 but none want to  battle

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wait. I've matched everyone about 2 times.

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Beating the Elite 4 is only one of the requirements. You also have to encounter 60 wild Pokémon OR fight in 20 trainer battles. Once you do that, then you only have a 31% chance that one of the Gym Leaders are going to want a rematch. If you did either of those requirements listed above and you got no rematch request, then you have to do the 60 wild Pokémon encounters or 20 trainer battles all over again. And just keep repeating the process until you get all the gym rematches. It's a long and tedious process.