Route 103

Route 103 is located at the north of Oldale Town and west of Route 110. This is the place where the rival is first battled. In Pokémon Emerald Version, Altering Cave is revealed here after becoming the Champion.
==Pokémon Appearances==
===Ruby/Sapphire===
Pokémon 	Habitat 	Rarity
Poochyena	Grass 	Uncommon
Wingull 	Grass 	Common
Zigzagoon	Grass 	Common
Magikarp 	Fishing (Old Rod, Good Rod)	Common
Pelipper 	Water 	Rare
Sharpedo 	Fishing (Super Rod) 	Common
Tentacool	Water 	Common
Tentacool	Fishing (Old Rod, Good Rod)	Uncommon
Wailmer 	Fishing (Good Rod) 	Uncommon
Wailmer 	Fishing (Super Rod) 	Common
Wingull 	Water 	Uncommon
===Emerald===
Pokémon 	Habitat 	Rarity
Poochyena	Grass 	Common
Wingull 	Grass 	Uncommon
Zigzagoon	Grass 	Uncommon
Magikarp 	Fishing (Old Rod, Good Rod)	Common
Pelipper 	Water 	Rare
Sharpedo 	Fishing (Super Rod) 	Common
Tentacool	Water 	Common
Tentacool	Fishing (Old Rod, Good Rod)	Uncommon
Wailmer 	Fishing (Good Rod) 	Uncommon
Wailmer 	Fishing (Super Rod) 	Common
Wingull 	Water 	Uncommon
==Items==
Items 	Amount
Cheri Berry	4
Leppa Berry	2
Guard Spec.	1
PP Up 	1
==Events==
===Battle with Prof. Birch's Child===
Prof. Birch's child is waiting for a battle in Route 103. The child is May if you are a boy, Brendan if you are a girl. This will be the first battle for you against a trainer. This is the first battle between you and your rival.
Prof. Birch's child uses a different Pokémon in the battle depending on which Pokémon you selected from the Professor after the rescue in Littleroot Town. If you choose Torchic, look out for Mudkip. If you choose Mudkip, look out for Treecko. If you choose Treecko, look out for Torchic.
==Tips==
After you acquire HM03 Surf, you can access the water to the east in Route 103 and easily access both Mauville City and Slateport City via Route 110.