Details for Pokémon Scarlet and Pokémon Violet Ranked Battles Season 18 (May 2024) have been announced and it will run from May 1st, 2024 until Friday, May 31st, 2024, at 23:59 UTC and will follow Regulation Set G.

Ranked Battles Season 18 is Under Way!

Take on players from around the world now to climb the leaderboards and earn in-game rewards. A new season of Pokémon Scarlet and Pokémon Violet Ranked Battles has begun! This is a great time to dive into the action to test your Trainer skills in head-to-head battles with players around the world, move up the global leaderboards, and earn helpful in-game rewards.

Running until Friday, May 31, 2024, at 23:59 UTC, Ranked Battles Season 18 will follow Regulation Set G. Also, Pokémon are allowed to Terastallize during battle.

Eligible Pokémon

Paldea Pokédex No. 001–400, Kitakami Pokédex No. 001–200, and Blueberry Pokédex No. 001–242, as well as certain other Pokémon are eligible to participate.

Other Eligible Pokémon:
Raichu (Alolan Form)
Meowth (Alolan Form)
Meowth (Galarian Form)
Persian (Alolan Form)
Growlithe (Hisuian Form)
Arcanine (Hisuian Form)
Voltorb (Hisuian Form)
Electrode (Hisuian Form)
Weezing (Galarian Form)
Articuno
Articuno (Galarian Form)
Zapdos
Zapdos (Galarian Form)
Moltres
Moltres (Galarian Form)
Mewtwo
Typhlosion (Hisuian Form)
Sneasel (Hisuian Form)
Raikou
Entei
Suicune
Lugia
Ho-Oh
Regirock
Regice
Registeel
Latias
Latios
Kyogre
Groudon
Rayquazza
Uxie
Mesprit
Azelf
Dialga
Dialga (Origin Forme)
Palkia
Palkia (Origin Forme)
Heatran
Regigigas
Giratina (Altered Forme)
Giratina (Origin Forme)
Cresselia
Samurott (Hisuian Form)
Lilligant (Hisuian Form)
Zorua (Hisuian Form)
Zoroark (Hisuian Form)
Braviary (Hisuian Form)
Cobalion
Terrakion
Virizion
Tornadus (Incarnate Forme)
Tornadus (Therian Forme)
Thundurus (Incarnate Forme)
Thundurus (Therian Forme)
Reshiram
Zekrom
Landorus (Incarnate Forme)
Landorus (Therian Forme)
Kyurem
Kyurem (White Kyurem)
Kyurem (Black Kyurem)
Sliggoo (Hisuian Form)
Goodra (Hisuian Form)
Avalugg (Hisuian Form)
Decidueye (Hisuian Form)
Cosmog
Cosmoem
Solgaleo
Lunala
Necrozma
Necrozma (Dusk Mane)
Necrozma (Dawn Wings)
Perrserker
Zacian
Zamazenta
Eternatus
Kubfu
Urshifu (Single Strike Style)
Urshifu (Rapid Strike Style)
Regieleki
Regidrago
Glastrier
Spectrier
Calyrex
Calyrex (Ice Rider)
Calyrex (Shadow Rider)
Wyrdeer
Ursaluna
Sneasler
Enamorus (Incarnate Forme)
Enamorus (Therian Forme)

Only one of the following special Pokémon may be registered to your Battle Team.

Restricted Special Pokémon:
Mewtwo
Lugia
Ho-Oh
Kyogre
Groudon
Rayquaza
Dialga
Dialga (Origin Forme)
Palkia
Palkia (Origin Forme)
Giratina (Altered Forme)
Giratina (Origin Forme)
Reshiram
Zekrom
Kyurem
Kyurem (White Kyurem)
Kyurem (Black Kyurem)
Cosmog
Cosmoem
Solgaleo
Lunala
Necrozma
Necrozma (Dusk Mane)
Necrozma (Dawn Wings)
Zacian
Zamazenta
Eternatus
Calyrex
Calyrex (Ice Rider)
Calyrex (Shadow Rider)
Koraidon
Miraidon
Terapagos

Only Pokémon obtained in the Pokémon Scarlet or Pokémon Violet games—including those found in The Hidden Treasure of Area Zero DLC—or those transferred from Pokémon HOME are eligible. Certain Pokémon may not be used.

Pokémon Levels

All Pokémon will automatically be set to Lv. 50 during battles.

Held Items

Duplicate held items are not allowed.

Timers

Total Time: 20 minutes
Player Time: 7 minutes
Preview Time: 90 seconds
Turn Time: 45 seconds

Rewards

Before battle, you’ll be matched up with players of similar rank to ensure even competition. The higher the tier you finish in, the greater your in-game rewards after the season concludes. You must finish at least one match with a win or loss during the season to be eligible for Season 18 rewards.

Master Ball Tier
• Sweet Herba Mystica ×5
• Love Ball ×1
• Gold Bottle Cap ×1
• Bottle Cap ×3
• Ability Patch ×1
• 300,000 League Points

Ultra Ball Tier
• Sweet Herba Mystica ×2
• Love Ball ×1
• Gold Bottle Cap ×1
• Bottle Cap ×1
• Ability Capsule ×1
• 150,000 League Points

Great Ball Tier
• TM171 (Tera Blast) ×1
• Bottle Cap ×1
• Ability Capsule ×1
• 60,000 League Points

Poké Ball Tier
• TM171 (Tera Blast) ×1
• 20,000 League Points

Beginner Tier
• 10,000 League Points

What Are Ranked Battles?

Pokémon Scarlet and Pokémon Violet Ranked Battles allow you to test your Trainer skills in head-to-head battles with players around the world. Each Trainer’s skill in battle is tracked by their rank, which changes based on the Trainer’s battle results. Trainers are matched up with other players of similar rank to ensure even competition.

Any Nintendo Switch Online membership (sold separately) and Nintendo Account required for online features. Membership auto-renews after initial term at the then-current price unless canceled. Not available in all countries. Internet access required for online features. Terms apply. Learn more at nintendo.com/switch-online.

Battle data and results will be provided to Nintendo Co., Ltd., and The Pokémon Company (and its subsidiaries).

Players engaging in or exhibiting the following may receive penalties and be restricted from participating in future online events.
• Use of unauthorized methods to alter game save data, use of Pokémon that have data altered via altering code, or Pokémon created through the use of altering code
• Significantly large number of disconnects during battle, from when your opponent has been decided to when the match results have been fully sent to the server (please ensure a stable connection environment when connecting to the internet)
• Troubling behavior that could affect other participants or make others feel unpleasant
• Actions that would obstruct battles and operations, such as hacking
• Registering with incorrect information or impersonating another player
• Using multiple Nintendo Accounts to participate in the same competition
• Intentionally manipulating wins and losses by using multiple devices or sets of save data (or collaborating with others to do so)
• Other actions that operation hosts determine to be inappropriate

Source: https://sv-news.pokemon.co.jp/en/page/227.html