The 2021 ESL One Winter is the third iteration of the (Dota Pro Circuit) tournament organized by ESL; This tournament will also serve as qualifying tournaments in preparation for the biggest DOTA2 event, The International.

The tournament will feature both notable and the best teams from Europe, China, Southeast Asia, North America, and South America, with a prize pool for each region amounting to $205,000 for Upper Division and $75,000 for the Lower Division.

The points acquired from this tournament will determine their qualification for the Major Event and eventually The International 2022.