From Nintendo Everything: “This past weekend, we heard that Puyo Puyo eSports would probably be heading west next month. SEGA has now made all of the news official today.
Puyo Puyo eSports is indeed being localized as Puyo Puyo Champions. A release is planned for May 7 in both North America and Europe.”
Source: N4G PC Puyo Puyo eSports officially coming west as Puyo Puyo Champions