easy level 100 or level 90 but he is hard get the legends first
use high level Pokemon
you have to use a level 100 if you want to be SURE to beat Red
to beat him you get a level 100 Pokemon and use your strongest attacks till its fainted, tocatch him get a Pokemon about his level and use any attacks till its HP is at the end of the yellow or begining of red,then keep using your best pokeballs!(but make sure if your catching him save first)
Use level 60 pokemon!
Use gost, keep battling and level up
about level 40 but use a grass or electric type Pokemon
Use Charizard And Legendary Pokemon. Train to Level 80. Beat Garyy Is Easy
Use a level 65+ pokemon I had a level 72 Sawk My character called N lol 8J
any type of of Pokemon in my list and you have to be about over 40 or 50 level. the Pokemon you need are fire water grass type or your stater Pokemon or any Pokemon that could beat a snorelax .and a lot of revives
You have to train each of your Pokemon in your main party to level 100. Then try to beat them. Or.... use a cheat code!
I don't have the game, but if I did I would level up my Pokemon to level 100 and use the type of Pokemon that is super infected against the opponent's Pokemon.
You can use a strong Pokemon to hit all the Elite four's Pokemon and champion Lance's Pokemon (in HeartGold). It depends on your Pokemon level but you can use ice types to beat Lance's Pokemons so it's easy to beat Lance.