Pokémon TCG Japanese Matchless Fighter is an enhanced expansion pack booster from the Sword & Shield era, sold as a single Japanese language pack. The set highlights regional forms from The Crown Tundra.

• Set: Matchless Fighter (S5a)
• Language: Japanese
• Released: March 19, 2021
• Contents: 5 cards per pack
• Set size: 96 cards
• Featured cards: Galarian Slowking, Articuno, Zapdos and Moltres as Pokémon V