Juan
Gym Leader in Hoenn.
About
Juan leads the Sootopolis City Gym, the last of Hoenn's eight, with Water-type Pokémon. His strongest is a level 46 Kingdra, which is Water and Dragon and so weak only to Dragon moves. He gives the Rain Badge and 
TM03.
Gym battle
LuvdiscLv 41Water Pulse, Attract, Sweet Kiss, Flail
WhiscashLv 41Rain Dance, Water Pulse, Amnesia, Earthquake
SealeoLv 43Encore, Body Slam, Aurora Beam, Water Pulse
CrawdauntLv 43Water Pulse, Crabhammer, Taunt, Leer
KingdraLv 46Holds 
Chesto BerryWater Pulse, Double Team, Ice Beam, Rest
Rematches
These teams are in the game data, but no battle uses them: rematches are not in the game yet.
PoliwagLv 46Hypnosis, Rain Dance, Protect, Hydro Pump- WhiscashLv 46Rain Dance, Water Pulse, Double Team, Fissure
WalreinLv 48Water Pulse, Body Slam, Protect, Ice Beam- CrawdauntLv 48Holds Chesto BerryRest, Crabhammer, Taunt, Double Team
- KingdraLv 51Holds Chesto BerryWater Pulse, Double Team, Ice Beam, Rest
PoliwhirlLv 50Hypnosis, Rain Dance, Protect, Hydro Pump- WhiscashLv 51Rain Dance, Water Pulse, Double Team, Fissure
- WalreinLv 53Water Pulse, Body Slam, Protect, Ice Beam
- CrawdauntLv 53Holds Chesto BerryRest, Guillotine, Taunt, Double Team
- KingdraLv 56Holds Chesto BerryWater Pulse, Double Team, Ice Beam, Rest
LaprasLv 56Hydro Pump, Perish Song, Ice Beam, Confuse Ray- WhiscashLv 58Rain Dance, Water Pulse, Double Team, Fissure
- PoliwhirlLv 56Hypnosis, Rain Dance, Protect, Hydro Pump
- WalreinLv 58Water Pulse, Body Slam, Protect, Ice Beam
- CrawdauntLv 58Holds Chesto BerryRest, Guillotine, Taunt, Double Team
- KingdraLv 61Holds Chesto BerryWater Pulse, Double Team, Ice Beam, Rest
- LaprasLv 61Hydro Pump, Perish Song, Ice Beam, Confuse Ray
- WhiscashLv 63Rain Dance, Water Pulse, Double Team, Fissure
PolitoedLv 61Hypnosis, Rain Dance, Hydro Pump, Perish Song- WalreinLv 63Water Pulse, Body Slam, Protect, Sheer Cold
- CrawdauntLv 63Holds Chesto BerryRest, Guillotine, Taunt, Double Team
- KingdraLv 66Holds Chesto BerryWater Pulse, Double Team, Ice Beam, Rest
As of v0.75.0 · engine 22ba612f