The first fighting pokemon you can encounter in Ruby is in the cave at the island with the second gym. That one is makuhita. You can also catch a Shroomish in the forest south of Rustboro. Shroomish evolves into Breloom who is a grass/fighting type.
Flying and Psychic do 2x damage to Fighting-type Pokemon.
Fighting type Pokemon are weak exist Flying and Psychic.
Meditite is a Psychic and Fighting type Pokemon that is not available for capture in Pokemon Emerald. It is however in Pokemon Ruby and Sapphire, so it may easily be traded to Emerald from another game.
Mienshao is a Fighting type pokemon.
Conkeldurr is a Fighting type pokemon.
A fighting type, a ghost type, a rock type, a ice type, a water type.
Fire, fighting, steel and rock
A Geodude and a Nosepass. You should be fine with a fighting type, a water type, or a grass type.
Simply use a flying type Pokemon like taillow on his fighting type Pokemon.
Brawly on Dewford Island. He uses fighting type.
A fighting type, Ghost type, Fire type, Rock type, Dragon type, Ice type, Water type.
use a good fighting type Pokemon like machoke and use its moves
Type Pokemon Ruby and then type CCG.
Brawly is a fighting type and he is located in Dewford Town and he has a machop and makuhita
ghost type Pokemon are immune to normal and fighting type moves and psychic, dark, and ghost types are 2x effective against them.
by fighting
There are only 17 Grass-type Pokémons in Ruby version.