Overwatch Champions Series - Overwatch

championship seriesAbout []. The Halo Championship Series is a professional esports series for Halo, hosted and organized by ESL (later changed to Esports Engine in 2020 and is returned to ESL again inCHAMPIONSHIP SERIES FAQ’S. EVENT COVERAGE BLOG . Mar 29 March 29 - March 30. Yu-Gi-Oh! Championship Series Buenos Aires, Argentina 2025 Apr 5 April 5 - April 6. Yu-Gi-Oh!