The question asks to identify the winning nation of the Davis Cup 2021.
Based on the results of the Davis Cup 2021 tournament, the champion nation was Russia.
Therefore, the correct option is Russia.
Which trophy is contested between the England and Scotland teams in the Rugby Six Nations Championship, 2025?
Which of the following teams won the Vijay Hazare Trophy in 2024-25?
Which trophy is presented to the national football team that wins the UEFA European Championship?
With which of the following sport Sheesh Mahal tournament is associated?
Merdeka Cup is associated with which of the following sports?
As of May 2019, Germany has reached the final of the Football World Cup ______ times.
'Deodhar Trophy' is related to which sport?