Level 40 User Pokemon, w/Highest BP STAB, 15 IVs, 20 EVs, Neutral nature (except trade Pokemon)
vs. Gladion Type: Null Level 38 (0 EVs, 30 IVs in everything)
Damage Range

Archeops 73-87 Acrobatics
Bruxish 66-78 Psychic Fangs
Primeape 61-73 Close Combat
Muk 61-73 Gunk Shot
Bewear 60-72 Hammer Arm
Alakazam 60-72 Psychic
Toucannon 58-69 Beak Blast....55-65 Bullet Seed
Torkoal 58-69 Flamethrower [Drought]
Gengar 58-69 Sludge Bomb
Mudsdale 57-67 High Horsepower
Espeon 57-67 Psychic
Primarina: 54-64 Sparkling Aria
Gyarados: 54-64 Aqua Tail
Golisopod 54-64 First Impression....48-57 Leech Life
Minior Down 54-64 Acrobatics
Wishiwashi: 52-63 Scald
Sylveon 52-63 Moonblast
Crobat 51-60 Acrobatics
Pelipper: 51-60 Scald [Hydration]
Machamp 51-60 Submission
Salazzle: 49-58 Sludge Bomb
Magmortar 48-57 Lava Plume
Raichu 48-57 Psychic
Pinsir 48-57 X-Scissor
Tsareena 48-57 Trop Kick [Bouncee]
Incineroar 48-57 Darkest Lariat
Magneton 46-55 Flash Cannon
Lurantis 46-55 Leaf Blade
Snorlax 46-55 Body Slam
Araquanid: 45-54 Scald
Krookodile 45-54 Dig/Crunch
Pangoro 45-54 Brick Break
Talonflame 45-54 Acrobatics
Arcanine 45-54 Flamethrower
Drifblim 45-54 Acrobatics
Starmie: 45-54 Psychic
Electivire 45-54 Thunder Punch
Zygarde 45-54 Land's Wrath
Slowbro 45-54 Psychic
Tauros 45-54 Takedown
Vaporeon: 43-52 Scald
Passimian 43-52 Brick Break
Hustle Raticate 43-52 Crunch
Oricorio 43-52 Revelation Dance....42-49 Acrobatics
Golem 43-52 Thunder Punch
Hariyama 43-52 Brick Break
Togedemaru 43-52 Wild Charge
Ribombee 42-51 Pollen Puff
Poliwrath 42-49 Submission [Whirly]
Lycanroc Day 42-51 Rock Slide
Absol 42-51 Night Slash
Decidueye 42-51 Spirit Shackle
Turtonator 42-49 Flamethrower
Dugtrio 40-48 Dig
Electabuzz 40-48 Discharge
Sandslash 40-48 Iron Head
Parasect 39-46 Leech Life
Vibrava 39-46 Earthquake
Kangaskhan 39-46 Mega Punch
Golduck 39-46 Scald
Tentacruel 37-45 Sludge Bomb
Skarmory 37-45 Fly
Ariados 36-43 Leech Life
Comfey 34-40 Petal Dance
Crabawler 34-42 Dizzy Punch
Misdrevious 34-42 Shadow Ball
Mimikyu 33-39 Shadow Claw
Ninetales 33-40 Dazzling Gleam
Metang 31-37 Zen Headbutt
Persian 30-36 Feint Attack [Technician]