42level cap
Roxanne (Rematch 2) fields 5 Pokémon between level 37 and level 42 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 ×5Ground ×2Water ×2
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Omanyte Lv 37 RockWater | Ability Swift Swim | Protect Ice Beam Rock Slide Surf | HP35Attack40Defense100Sp. Atk90Sp. Def55Speed35Total355 |
 | Golem Lv 37 RockGround | Ability Rock Head | Protect Rollout Magnitude Explosion | HP80Attack120Defense130Sp. Atk55Sp. Def65Speed45Total495 |
 | Kabutops Lv 40 RockWater | Ability Swift Swim Held item Sitrus Berry | Swords Dance Ice Beam Surf Rock Slide | HP60Attack115Defense105Sp. Atk65Sp. Def70Speed80Total495 |
 | Onix Lv 40 RockGround | Ability Rock Head | Iron Tail Explosion Roar Rock Slide | HP35Attack45Defense160Sp. Atk30Sp. Def45Speed70Total385 |
 | Nosepass Lv 42 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 5 of 5, Grass hits 5 of 5, Ground hits 5 of 5, Steel hits 3 of 5.
Level to be ready for. Lv 42 — 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: