I finally won the Alola Pokémon League with the only two survivors

Ash Wins the Alola League! Pokémon Sun and Moon Episode 139

Why was Ash Ketchum allowed to win the Alola League but not the others? - Quora

Celebrate the Season of Alola during the Alola to Alola finale event! – Pokémon GO : r/TheSilphRoad

Why was Ash Ketchum allowed to win the Alola League but not the others? - Quora

Ash Ketchum Will Win The Alola League, Right!? : r/pokemon

Sawyer - Bulbapedia, the community-driven Pokémon encyclopedia

Current Pokémon League Champions in the anime : r/pokemonanime

After 25 Long Years, Ash Ketchum Has Finally Become Pokémon's World Champion - Network Ten

Ash winning Alola Pokemon League leak? : r/TwoBestFriendsPlay

Anyone else notice a trend since Gen 7 where they re-use characters you met before to serve as Pokemon League opponents (Elite 4/Champion Cup Challengers)? : r/pokemon

Manalo Conference, Pokémon Wiki

Ash is already one of the 8 Pokémon Masters in the World, Wait 25 years to see Ash Become a Pokémon Master : r/pokemon

FULLY POWERED! THE ROAD TO THE SEMIFINALS!! Pokemon Sun & Moon 134 - Everyone's Fully Powered! The Road to the SemiFinals! Episode Discussion! : r/pokemon

Pokemon Sun & Moon 139 - He's Born the Alolan League Winner! Episode Discussion! : r/pokemon