Trial Captain: Ilima
Location: Hau'oli City
Specialty: Normal-type

Details:
Go to his house in the Hau'oli City and he will welcome you into his room and mention how he has been working on a new battling strategy and asks if you will join him in a battle. If you accept, he'll take you to the Trainer School for the battle.

Captain Ilima	Gumshoos	Smeargle	Komala
Battle Type Items	Level 60	Level 60	Level 60
	Attacks: Crunch Hyper Fang Super Fang	Attacks: Extreme Speed Fire Blast Hydro Pump Power Whip	Attacks: Sucker Punch Wood Hammer Slam Zen Headbutt
	Hold Item: No Item	Hold Item: No Item	Hold Item: Normalium Z

Trial Captain: Lana
Location: Konikoni City
Specialty: Water-type

Details:
If you go to Lana's house in Konikoni City and go to the back room. In there, you will find Lana's sisters who ask for you to play with them. Defeat them in battle and Lana will come in. Her sisters will ask for you to battle her in order to show who is the strongest trainer.

Captain Lana	Lanturn	Cloyster	Araquanid
Battle Type Items	Level 60	Level 60	Level 60
	Attacks: Discharge Hydro Pump Thunder Wave Icy Wind	Attacks: Spike Cannon Icicle Crash Smart Strike Spikes	Attacks: Liquidation Leech Life Crunch Frost Breath
	Hold Item: No Item	Hold Item: No Item	Hold Item: Waterium Z

Trial Captain: Kiawe
Location: Paniola Town, Royal Avenue - Ultra Sun Only
Specialty: Fire-type

Details:
At night, you can go to Kiawe's house in Paniola Town. Go upstairs and you will find Kiawe in his room doing some training for his fire dancing. He says that he has to practice in it, like Pokémon battles and the note that the time has passed and he needs to go to the Thrifty Megamart. Follow him there and you will see him get let go from his job and his ex-boss hoping his dreams come true one day. Kiawe then spots you and challenges you in order to lift his spirits.

Captain Kiawe	Arcanine	Talonflame	Marowak
Battle Type Items	Level 60	Level 60	Level 60
	Attacks: Crunch Flare Blitz Extreme Speed	Attacks: Quick Attack Flare Blitz Brave Bird	Attacks: Flare Blitz Shadow Bone Bone Rush
	Hold Item: No Item	Hold Item: No Item	Hold Item: Firium Z

Trial Captain: Mallow
Location: Konikoni City - Lush Jungle - Ultra Moon Only
Specialty: Grass-type

Details:
In the day in Moon, after you have beaten the Akala Grand Trial, go to Mallow's room in the top floor of the restaurant in Konikoni City. She will ask you why you're there and the responses are to battle. She will suggest going to Lush Jungle for a teasure hunt. She says to look for the Wimpod and then she'll battle you. After that, her brother will mention that he needed her to do some shopping for him, but asks you to tell her to bring Wimpod home. Meet her in Lush Jungle and she'll battle you

Captain Mallow	Trevenant	Shiinotic	Tsareena
Battle Type Items	Level 60	Level 60	Level 60
	Attacks: Horn Leech Shadow Claw Leech Seed	Attacks: Moonblast Giga Drain Spore Ingrain	Attacks: Power Whip High Jump Kick Zen Headbutt U-turn
	Hold Item: No Item	Hold Item: No Item	Hold Item: Grassium Z
Ultra Moon

Trial Captain: Sophocles
Location: Pokémon League
Specialty: Electric-type

Details:
Sophocles, when you complete his trial, says right away that he wants to battle you. However, this will require a lot of waiting as the only time you can battle Sophocles is when he comes as a challenger to your position as Champion of the Pokémon League.

Captain Sophocles	Togedemaru	Magnezone	Electivire	Vikavolt	Golem
Battle Type Items	Level 67	Level 67	Level 67	Level 67	Level 67
	Attacks: Electric Terrain Zing Zap Spiky Shield Fell Stinger	Attacks: Flash Cannon Discharge Tri Attack Reflect	Attacks: Thunder Punch Giga Impact Fire Punch Quick Attack	Attacks: Bug Buzz Thunderbolt Air Slash Guillotine	Attacks: Stone Edge Steamroller Thunder Punch Heavy Slam
	Hold Item: No Item	Hold Item: No Item	Hold Item: No Item	Hold Item: No Item	Hold Item: No Item

Trial Captain: Acerola
Location: Pokémon League
Specialty: Ghost-type

Details:
The sixth Trial Captain is one that you will definitely battle through your play. Acerola becomes a member of the Elite Four and so has got multiple instances of battle against her.

Elite Four Acerola	Banette	Drifblim	Dhelmise	Froslass	Palossand
Battle Type Items	Level 66	Level 66	Level 66	Level 66	Level 66
	Attacks: Shadow Claw Sucker Punch Infestation Shadow Sneak	Attacks: Shadow Ball Thunderbolt Psychic Will-O-Wisp	Attacks: Phantom Force Heavy Slam Earthquake Power Whip	Attacks: Blizzard Shadow Ball Thunderbolt Ice Shard	Attacks: Shadow Ball Earth Power Sludge Bomb Giga Drain
	Hold Item: No Item	Hold Item: No Item	Hold Item: No Item	Hold Item: No Item	Hold Item: Ghostium Z