See main article: 1999 ATP Tour World Championships.
Pete Sampras defeated Andre Agassi in the final, 6–1, 7–5, 6–4 to win the singles tennis title at the 1999 Tennis Masters Cup. It was his fifth and last Tour Finals title.[1]
Àlex Corretja was the reigning champion, but did not qualify.
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.
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.