Registration for the 2017 International Challenge April has concluded, as the Online Competition has officially kicked off in Pokémon Sun and Moon. It will run through Sunday, April 30, 2017, at 23:59 UTC. The 2017 International Challenge April features Trainers from around the world using the 2017 Championship Series format, featuring Double Battles with Pokémon found in the Alola region.
Pokémon must have been acquired in Pokémon Sun or Pokémon Moon (they must have the black clover on their Summary page). Pokémon brought in via Poké Transporter will not be permitted in battle. All Pokémon above and below Lv. 50 will be set to Lv. 50 for the duration of the battles. Players may be eligible for Championship Points, as well as a Sceptilite Mega Stone, a Blazikenite Mega Stone, and a Swampertite Mega Stone.