This list shows the appearances of all participants in the men's tennis ATP Finals singles since their inception as the Pepsi-Cola Masters in 1970.
The tournament is currently held in Pala Alpitour in Turin, Italy.
If an alternate's round-robin results qualify him for the semifinals, then he may continue into the single-elimination rounds.
When a player withdraws early in the tournament, his place is filled by the next-highest qualifier.
† Player competed under no flag due to the Russian invasion of Ukraine.