Some items to note:
-Player's age as at 31st December 2020 was used for entry purposes.

Match formats; All Round Robin:
Events with 3 players/pairs - Play each other twice; 1 set, first to 6 games (tie break at 5-5)
Events with 4 players/pairs - 1 set, first to 8 games (tie break at 7-7)
Events with 5 or 6 players/pairs - 1 set, first to 6 games (tie break at 5-5)