Blue (game)/FireRed and LeafGreen

If the player chose Bulbasaur:

Rival Blue Professor Oak's Laboratory FireRed and LeafGreen Reward: 80
|style="margin:auto"| Type: Fire Unknown Ability: Blaze Held item: None Charmander♂ Lv.5 Scratch Normal   --       Growl Normal   --       Struggle Normal   --       Struggle Normal   --

If the player chose Charmander:

Rival Blue Professor Oak's Laboratory FireRed and LeafGreen Reward: 80
|style="margin:auto"| Type: Water Unknown Ability: Torrent Held item: None Squirtle♂ Lv.5 Tackle Normal   --       Tail Whip Normal   --       Struggle Normal   --       Struggle Normal   --

If the player chose Squirtle:

Rival Blue Professor Oak's Laboratory FireRed and LeafGreen Reward: 80
|style="margin:auto"| Types: Grass Poison Ability: Overgrow Held item: None Bulbasaur♂ Lv.5 Tackle Normal   --       Growl Normal   --       Struggle Normal   --       Struggle Normal   --

If the player chose Bulbasaur:

Rival Blue Route 22 FireRed and LeafGreen Reward: 144
Types: Normal Flying Ability: Keen Eye Held item: None Pidgey♂ Lv.9 Tackle Normal   --       Sand-Attack Ground   --       Gust Flying   --       Struggle Normal   --       Type: Fire Unknown Ability: Blaze Held item: None Charmander♂ Lv.9 Scratch Normal   --       Growl Normal   --       Struggle Normal   --       Struggle Normal   --

If the player chose Charmander:

Rival Blue Route 22 FireRed and LeafGreen Reward: 144
Types: Normal Flying Ability: Keen Eye Held item: None Pidgey♂ Lv.9 Tackle Normal   --       Sand-Attack Ground   --       Gust Flying   --       Struggle Normal   --       Type: Water Unknown Ability: Torrent Held item: None Squirtle♂ Lv.9 Tackle Normal   --       Tail Whip Normal   --       Struggle Normal   --       Struggle Normal   --

If the player chose Squirtle:

Rival Blue Route 22 FireRed and LeafGreen Reward: 144
Types: Normal Flying Ability: Keen Eye Held item: None Pidgey♂ Lv.9 Tackle Normal   --       Sand-Attack Ground   --       Gust Flying   --       Struggle Normal   --       Types: Grass Poison Ability: Overgrow Held item: None Bulbasaur♂ Lv.9 Tackle Normal   --       Growl Normal   --       Struggle Normal   --       Struggle Normal   --

If the player chose Bulbasaur:

Rival Blue Cerulean City FireRed and LeafGreen Reward: 288
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.17 Tackle Normal   --       Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --		Type: Psychic Unknown Ability: Synchronize Held item: None Abra♂ Lv.16 Teleport Psychic   --       Struggle Normal   --       Struggle Normal   --       Struggle Normal   --

Type: Normal Unknown Ability: Guts Held item: None Rattata♂ Lv.15 Tackle Normal   --       Tail Whip Normal   --       Quick Attack Normal   --       Hyper Fang Normal   --

Type: Fire Unknown Ability: Blaze Held item: None Charmander♂ Lv.18 Scratch Normal   --       Growl Normal   --       Ember Fire   --       Metal Claw Steel   --

If the player chose Charmander:

Rival Blue Cerulean City FireRed and LeafGreen Reward: 288
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.17 Tackle Normal   --       Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --		Type: Psychic Unknown Ability: Synchronize Held item: None Abra♂ Lv.16 Teleport Psychic   --       Struggle Normal   --       Struggle Normal   --       Struggle Normal   --

Type: Normal Unknown Ability: Guts Held item: None Rattata♂ Lv.15 Tackle Normal   --       Tail Whip Normal   --       Quick Attack Normal   --       Hyper Fang Normal   --

Type: Water Unknown Ability: Torrent Held item: None Squirtle♂ Lv.18 Tackle Normal   --       Tail Whip Normal   --       Bubble Water   --       Water Gun Water   --

If the player chose Squirtle:

Rival Blue Cerulean City FireRed and LeafGreen Reward: 288
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.17 Tackle Normal   --       Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --		Type: Psychic Unknown Ability: Synchronize Held item: None Abra♂ Lv.16 Teleport Psychic   --       Struggle Normal   --       Struggle Normal   --       Struggle Normal   --

Type: Normal Unknown Ability: Guts Held item: None Rattata♂ Lv.15 Tackle Normal   --       Tail Whip Normal   --       Quick Attack Normal   --       Hyper Fang Normal   --

Types: Grass Poison Ability: Overgrow Held item: None Bulbasaur♂ Lv.18 Tackle Normal   --       Sleep Powder Grass   --       Leech Seed Grass   --       Vine Whip Grass   --

If the player reaches Lavender Town before visiting the S.S. Anne, this battle does not take place.

If the player chose Bulbasaur:

Rival Blue S.S. Anne FireRed and LeafGreen Reward: 720
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.19 Tackle Normal   --       Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --		Type: Normal Unknown Ability: Guts Held item: None Raticate♂ Lv.16 Tackle Normal   --       Tail Whip Normal   --       Quick Attack Normal   --       Hyper Fang Normal   --

Type: Psychic Unknown Ability: Synchronize Held item: None Kadabra♂ Lv.18 Teleport Psychic   --       Confusion Psychic   --       Disable Normal   --       Kinesis Psychic   --

Type: Fire Unknown Ability: Blaze Held item: None Charmeleon♂ Lv.20 SmokeScreen Normal   --       Growl Normal   --       Ember Fire   --       Metal Claw Steel   --

If the player chose Charmander:

Rival Blue S.S. Anne FireRed and LeafGreen Reward: 720
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.19 Tackle Normal   --       Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --		Type: Normal Unknown Ability: Guts Held item: None Raticate♂ Lv.16 Tackle Normal   --       Tail Whip Normal   --       Quick Attack Normal   --       Hyper Fang Normal   --

Type: Psychic Unknown Ability: Synchronize Held item: None Kadabra♂ Lv.18 Teleport Psychic   --       Confusion Psychic   --       Disable Normal   --       Kinesis Psychic   --

Type: Water Unknown Ability: Torrent Held item: None Wartortle♂ Lv.20 Withdraw Water   --       Bite Dark   --       Bubble Water   --       Water Gun Water   --

If the player chose Squirtle:

Rival Blue S.S. Anne FireRed and LeafGreen Reward: 720
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.19 Tackle Normal   --       Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --		Type: Normal Unknown Ability: Guts Held item: None Raticate♂ Lv.16 Tackle Normal   --       Tail Whip Normal   --       Quick Attack Normal   --       Hyper Fang Normal   --

Type: Psychic Unknown Ability: Synchronize Held item: None Kadabra♂ Lv.18 Teleport Psychic   --       Confusion Psychic   --       Disable Normal   --       Kinesis Psychic   --

Types: Grass Poison Ability: Overgrow Held item: None Ivysaur♂ Lv.20 Sleep Powder Grass   --       PoisonPowder Poison   --       Leech Seed Grass   --       Vine Whip Grass   --

If the player chose Bulbasaur:

Rival Blue Pokémon Tower FireRed and LeafGreen Reward: 900
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.25 Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --       Whirlwind Normal   --		Types: Grass Psychic Ability: Chlorophyll Held item: None Exeggcute♂ Lv.23 Barrage Normal   --       Hypnosis Psychic   --       Leech Seed Grass   --       Confusion Psychic   --	Types: Water Flying Ability: Intimidate Held item: None Gyarados♂ Lv.22 Thrash Normal   --       Tackle Normal   --       Bite Dark   --       Struggle Normal   --

Type: Psychic Unknown Ability: Synchronize Held item: None Kadabra♂ Lv.20 Teleport Psychic   --       Confusion Psychic   --       Disable Normal   --       Kinesis Psychic   --

Type: Fire Unknown Ability: Blaze Held item: None Charmeleon♂ Lv.25 SmokeScreen Normal   --       Growl Normal   --       Ember Fire   --       Rage Normal   --

If the player chose Charmander:

Rival Blue Pokémon Tower FireRed and LeafGreen Reward: 900
| Types: Normal Flying Ability: Keen Eye Held item: None Pidgeotto♂ Lv.25 Gust Flying   --       Sand-Attack Ground   --       Quick Attack Normal   --       Whirlwind Normal   --		Type: Fire Unknown Ability: Intimidate Held item: None Growlithe♂ Lv.23 Bite Dark   --       Roar Normal   --       Ember Fire   --       Leer Normal   --	Types: Grass Psychic Ability: Chlorophyll Held item: None Exeggcute♂ Lv.22 Barrage Normal   --       Hypnosis Psychic   --       Leech Seed Grass   --       Confusion Psychic   --

Type: Psychic Unknown Ability: Synchronize Held item: None Kadabra♂ Lv.20 Teleport Psychic   --       Confusion Psychic   --       Disable Normal   --       Kinesis Psychic   --

Type: Water Unknown Ability: Torrent Held item: None Wartortle♂ Lv.25 Withdraw Water   --       Water Gun Water   --       Bite Dark   --       Rapid Spin Normal   --