Ditto

Good against, and why

None among the top 30.

Threatened by, and why

• 
  Blaziken-Mega 7.5% usage

  Close Combat 274.8–325.2%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Cinderace 6.5% usage

  High Jump Kick 236.1–278.7%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Pawmot 7.8% usage

  Close Combat 197.4–233.5%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Lucario-Mega-Z 17.8% usage

  Aura Sphere 185.8–218.1%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Raichu-Mega-Y 6.0% usage

  Focus Blast 181.9–214.2%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Absol-Mega-Z 6.5% usage

  Close Combat 161.3–191%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Dragonite-Mega 6.5% usage

  Draco Meteor 149.7–176.8%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Baxcalibur-Mega 16.2% usage

  Glaive Rush 147.1–172.9%, guaranteed OHKO, and they move first

  On its common spreads: OHKO (19%), 93.8% to OHKO (10%), 93.8% to OHKO (7%)
• 
  Archaludon 15.4% usage

  Draco Meteor 135.5–159.4%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Basculegion 15.4% usage

  Wave Crash 130.3–153.5%, guaranteed OHKO, and they move first

  On its common spreads: OHKO (19%), 18.8% to OHKO (10%), 18.8% to OHKO (7%)
• 
  Gholdengo 13.5% usage

  Make It Rain 130.3–153.5%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Charizard-Mega-Y 13.8% usage

  Flamethrower 112.3–132.3%, guaranteed OHKO, and they move first

  OHKO on all 3 of its common spreads (37% of usage)
• 
  Golisopod-Mega 24.6% usage

  First Impression 109–129.7%, guaranteed OHKO

  On its common spreads: OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Swampert 6.3% usage

  Earthquake 109–129.7%, guaranteed OHKO, and they move first

  On its common spreads: OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Kingambit 9.0% usage

  Kowtow Cleave 103.2–121.9%, guaranteed OHKO

  On its common spreads: OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Garchomp 34.3% usage

  Draco Meteor 100.6–118.7%, guaranteed OHKO, and they move first

  On its common spreads: OHKO (19%), 81.3% to OHKO (10%), OHKO (7%)
• 
  Mamoswine 6.5% usage

  Earthquake 98.7–116.1%, 87.5% chance to OHKO, and they move first

  On its common spreads: 87.5% to OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Meowscarada 14.3% usage

  Triple Axel 97.4–115.5%, 96.6% chance to OHKO, and they move first

  On its common spreads: 96.6% to OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Pelipper 7.3% usage

  Hurricane 94.8–112.3%, 68.8% chance to OHKO, and they move first

  On its common spreads: 68.8% to OHKO (19%), 50% to OHKO (10%), 68.8% to OHKO (7%)
• 
  Glimmora 8.5% usage

  Sludge Wave 92.9–109%, 50% chance to OHKO, and they move first

  On its common spreads: 50% to OHKO (19%), 37.5% to OHKO (10%), 50% to OHKO (7%)
• 
  Mimikyu 14.5% usage

  Play Rough 90.3–106.5%, 37.5% chance to OHKO, and they move first

  On its common spreads: 37.5% to OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Corviknight 9.7% usage

  Body Press 90.3–107.1%, 43.8% chance to OHKO

  On its common spreads: 43.8% to OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Primarina 18.4% usage

  Moonblast 89.7–106.5%, 37.5% chance to OHKO

  On its common spreads: 37.5% to OHKO (19%), 18.8% to OHKO (10%), 37.5% to OHKO (7%)
• 
  Salamence-Mega 25.8% usage

  Double-Edge 85.2–100.6%, 6.3% chance to OHKO, and they move first

  On its common spreads: 6.3% to OHKO (19%), 2HKO (10%), 2HKO (7%)
• 
  Rillaboom 10.1% usage

  Knock Off 80.6–94.8%, guaranteed 2HKO, and they move first

  2HKO on all 3 of its common spreads (37% of usage)
• 
  Ninetales-Alola 10.1% usage

  Blizzard 78.1–92.9%, guaranteed 2HKO, and they move first

  2HKO on all 3 of its common spreads (37% of usage)
• 
  Gyarados 6.5% usage

  Power Whip 76.8–90.3%, guaranteed 2HKO, and they move first

  2HKO on all 3 of its common spreads (37% of usage)
• 
  Volcarona 8.0% usage

  Fiery Dance 66.5–79.4%, guaranteed 2HKO, and they move first

  2HKO on all 3 of its common spreads (37% of usage)
• 
  Hippowdon 9.6% usage

  Earthquake 65.8–77.4%, guaranteed 2HKO

  On its common spreads: 2HKO (19%), 3HKO (10%), 3HKO (7%)