Pokemon Red and Blue Walkthrough

Route 22

Pokemon Type Red Blue
Pidgey Normal/Flying X X
Spearow Normal/Flying X X
Nidoran ♀ Poison X X
Nidoran ♂ Poison X X

To the north of the tall grass is your Rival. He will challenge you to another Pokemon battle. This time he will have two Pokemon, and his starter Pokemon will have an elemental attack. Do not try to fight him unless you have several Pokemon that are at a high enough level.

Pokemon Level Type Moves
Pidgey 9 Normal/Flying Gust, Sand-Attack
Charmander 8 Fire Scratch, Growl, Ember
Pokemon Level Type Moves
Pidgey 9 Normal/Flying Gust, Sand-Attack
Squirtle 8 Water Tackle, Tail Whip, Bubble
Pokemon Level Type Moves
Pidgey 9 Normal/Flying Gust, Sand-Attack
Bulbasaur 8 Grass/Poison Tackle, Growl, Leech Seed

After the battle, return to Viridian City and heal your Pokemon. Head north to Route 2, next.