Defending champion Roger Federer defeated David Ferrer in the final, 6–2, 6–3, 6–2 to win the singles tennis title at the 2007 Tennis Masters Cup. It was his fourth Tour Finals title.
Future six-time champion Novak Djokovic made his tournament debut; he was eliminated in the round-robin stage.
Seeds
Alternates
Draw
Finals
Red group
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.
Gold group
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.