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GANYMEDE Inc. Announces “Overwatch Champions Clash hosted by GANYMEDE” an Official Offline Event to Kick Off the New OWCS Season
GANYMEDE Inc. (Head Office: Minato-ku, Tokyo; CEO: Daisuke Nishihara), is pleased to announce that it will host and organize “Overwatch Champions Clash hosted by GANYMEDE” an official offline event that will serve as the first global live event for the 2026 Overwatch Champions Series season.
As an international event bringing together top teams from around the world, the tournament will be held for three days from Friday, May 22, 2026 at Arena Tachikawa Tachihi in Tachikawa, Tokyo.
■ Why GANYMEDE Inc. is Hosting This Event
Through our participation in OWCS, the official competitive scene for Overwatch 2, GANYMEDE Inc. and the esports team we operate, ZETA DIVISION, have continued to walk alongside the community.
By bringing this international tournament to our hometown of Tachikawa, Japan, we aim not only to pursue excellence in competitive quality, but also to energize and grow the broader community.
We want to create an opportunity for current fans who enjoy the game today, as well as those who once passionately followed Overwatch, to reconnect with its appeal. And with GANYMEDE’s unique ability to communicate and amplify culture, we believe it is our role to generate excitement that draws in even more people.
We will do everything we can to provide an environment where the world’s top players can demonstrate their skills to the fullest, and to deliver a tournament experience in which every attendee can truly feel the thrill of competition.
■ Event Overview
Event Name: Overwatch Champions Clash hosted by GANYMEDE
Dates: Friday, May 22 – Sunday, May 24, 2026
Venue: Arena Tachikawa Tachihi
Address: 500-4 Izumi-cho, Tachikawa-shi, Tokyo 190-0015, Japan
Organizer: GANYMEDE Inc.
In Cooperation With: Blizzard Entertainment
■ Ticket Sales
Spectator tickets for this event are scheduled to go on sale in late March.
Details such as ticket categories, seating layout, and the ticketing website will be announced at a later date via GANYMEDE Inc.’s official social media channels and other outlets.
■ Upcoming Schedule / Further Details
Additional information including participating teams, match format, and tournament brackets will be announced sequentially. Please stay tuned for updates via GANYMEDE Inc.’s official social media channels.
■ About Overwatch Champions Series

Overwatch Champions Series (OWCS) is the premier competitive structure that lets players and fans experience Overwatch Esports like never before. Showcasing top-tier competition across four major regions: North America (NA), EMEA (Europe Middle East & North Africa), China, and Asia (Korea, Japan, Pacific). The competition will include incredible storylines and enviable viewership rewards making Overwatch Champions Series one of the world’s most exciting Esports series.
In the 2026 season, qualifying tournaments are held in each region with the goal of qualifying for three international offline events per year. In Asia in particular, competitions are conducted across Japan, Korea, and the Pacific region. Teams that advance through open qualifiers proceed to regional tournaments, and then compete for the Asian representative slot at the “OWCS Asia Main Event”.
X: https://x.com/OW_Esports_Asia
YouTube: https://www.youtube.com/PlayOverwatch
■ About GANYMEDE Inc.

GANYMEDE Inc. operates a wide range of entertainment businesses, including the management of the esports team ZETA DIVISION.
Through diverse initiatives spanning management, content production, merchandise, and marketing, we work to enrich the “gaming lifestyle”—the everyday lives of everyone who loves games.
Website: https://gnmd.com/en/
X: https://x.com/GANYMEDE_Inc
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