[1][2] In October 2019 he won The Big House 9, becoming the first Japanese player to win a premier-tier tournament held outside of Japan.

[2] Zackray began competing in Super Smash Bros. for Wii U at the beginning of 2017, several years after the game's release.

After a series of strong performances throughout most of the event, he met his first defeat in the winners' semi-finals, and went on to tie for 5th place.

[2] In October, Zackray won The Big House 9, considered a "premier"[3] or "supermajor"[16] tournament, which Dot Esports called "arguably the deepest event for Smash Ultimate so far with nearly every top player in attendance".

[17] In the double-elimination tournament, Zackray fell to Enrique "Maister" Hernández Solís in the winner's semi-finals, then defeated Gavin "Tweek" Dempsey, Nairoby "Nairo" Quezada, and Maister in a rematch to make it into the final, where he defeated Samuel "Dabuz" Buzby to win the tournament.

[18] His victory at the event qualified him for an invitation to Smash Ultimate Summit 2, held at the end of the month.

In October, Zackray defeated Yuta “Abadango” Kawamura to win the Eastern Powerhouse Invitational, the first significant offline Smash tournament since CEO Dreamland in March.

[27][28] In October, Zackray won Kagaribi 5 without losing a set, using only the newly released Sora throughout the tournament.

[30] In March 2022, Zackray announced via YouTube that he would be taking a break from Ultimate for a few months to focus on competing in Pokémon Unite.

#10 and placed 3rd, losing to Kohei "Suinoko" Kuwamoto and Takuto "kameme" Ono, using primarily Sheik.

[32] In June, he announced that he would make a full return to Smash Bros., after he and his team were disqualified from the Pokémon Unite Championship Series due to one of his teammates, "U", oversleeping and failing to appear for a match.

[35] In the Super Smash Bros. franchise, players control one of a large cast of characters drawn from other games.