37level cap
Roxanne (Rematch 1) fields 4 Pokémon between level 32 and level 37 in Rustboro City Gym.
This is around Beat the Elite Four and Champion Steven in the story — that page lists everything you can have caught by this point.
Types on this team: Rock ×4Ground ×2Water
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Golem Lv 32 RockGround | Ability Rock Head | Protect Rollout Magnitude Explosion | HP80Attack120Defense130Sp. Atk55Sp. Def65Speed45Total495 |
 | Kabuto Lv 35 RockWater | Ability Swift Swim Held item Sitrus Berry | Swords Dance Ice Beam Surf Rock Slide | HP30Attack80Defense90Sp. Atk55Sp. Def45Speed55Total355 |
 | Onix Lv 35 RockGround | Ability Rock Head | Iron Tail Explosion Roar Rock Slide | HP35Attack45Defense160Sp. Atk30Sp. Def45Speed70Total385 |
 | Nosepass Lv 37 Rock | Ability Sturdy Held item Sitrus Berry | Double Team Explosion Protect Rock Slide | HP30Attack45Defense135Sp. Atk45Sp. Def90Speed30Total375 |
How to beat this team
Shared weaknesses. Fighting hits 4 of 4, Grass hits 4 of 4, Ground hits 4 of 4, Steel hits 3 of 4.
Level to be ready for. Lv 37 — Nosepass, the highest on the team.
Fighting Pokémon you can have caught by this point. From this guide’s own encounter tables, by Beat the Elite Four and Champion Steven: