Once you have defeated a Gym Leader in your first official match against them, you'll be able to re-battle them at the Fighting Dojo in Saffron City however you first need to acquire their PokéGear number and then you need to call on a specific day in order to get them to accept a rematch.
You can get Falkner's number Mondays in the Celadon Department Store on the fourth floor and he'll accept rematches on Saturday mornings.
You can get Bugsy's number Thursdays in the Viridian Forestand he'll accept rematches on Thursday afternoons.
You can get Whitney's number any day on the sixth floor of the Goldenrod Department Store between noon and 4pm, she'll accept rematches on Saturday afternoons.
You can get Morty's number outside of the Tin Tower on Mondays and Tuesdays and he'll accept rematches on Tuesday nights.
You can get Chuck's number from his wife who is directly outside of his Pokémon Gym. Chuck will accept rematches on Wednesday nights.
You can get Jasmine's number in the Dining Room any day between 1pm and 2pm and she'll accept rematches on Wednesday afternoons.
You can get Pryce's number near the Lake of Rage any day between 6am and 10am and he'll accept rematches on Monday mornings.
You can get Clair's number in the Dragon's Den any day between 6am and 10am however you need to have beaten Lance and her in a double battle before she'll show up there. She'll accept matches on Friday nights.
You can get Brock's number in the Diglett Cave any day between noon and 3pm and he'll accept rematches on Saturday nights.
You can get Misty's number in Route 25 however she'll only appear if you have defeated or caught Suicune. Misty will appear in Roue 25 any day between 4pm and 6pm. She'll accept rematches on Wednesday mornings.
You can get Lt. Surge's number outside of the Power Plant however he'll only appear there after you have defeated or caught Zapdos. He'll appear outside of the Power Plant any day between 9am and noon and you also have to show him a Pikachu in order to get his number. He'll accept rematches on Friday mornings.
You can get Erika's number by the fountain Saturdays and Sundays between 3pm and 5pm and she'll accept rematches on Sunday mornings.
You can get Janine's number in the Victory Road Reception Gate any day between 4pm and 6pm and she'll accept rematches during any part of the day time on Mondays.
You can get Sabrina's number in the Olivine City Harbor on Fridays and she'll accept rematches on Sunday afternoons.
You can get Blaine's number on Cinnabar Island on Tuesdays and he'll accept rematches on Tuesday afternoons.
You can get Blue's number from his sister Daisy Oak in Pallet Town after she has massaged 1 of your Pokémon 5 times and only under the condition that it's at max happiness. Blue will accept rematches on Sunday nights.
you should beat jasmine with fire types
fighting and ground types work too but steelix has a better defense than sp. defense so go with special moves
then her magnemites are a piece of cake
he uses ghost type Pokemon so use dark,ghost,or psychic types on him and make sure they are level 29 or higher
You can not battle Sinnoh Gym Leaders in Pokemon Soulsilver.
the gym leader is morty.you go to the burned tower,meet eusine,your rival,then meet suicune and the other 2,then get out and go to the gym.
with strong Pokemon
Train your Pokemon
Olivine City
no you have to beat the gym leader
After you beat Falkner, he is always in the gym.
Train your Bayleaf.
Use yo head.
Olivine City
beat the last gym leader on soul silver in johto
you go to the pharmacy in olivine
When you have beaten team rocket, you can find her in the lighthouse
Beat Jasmine in Olivine. Done that then go to Mahogany.
beat the 14? there are 16
beat the 6th gym leader and then go to mahogany town.
beat the 8th gym leader and then talk to to professor elm :)
Yes, after you beat the 7th gym leader.
no you have to beat the gym leader
you go to blackthorn city to fight the 8th gym leader
By winning. Train. Don't be the loser you secretly are.