| Champ: |  Lleyton Hewitt |
| Runner: |  Juan Carlos Ferrero |
| Score: | 7–5, 7–5, 2–6, 2–6, 6–4 |
| Draw: | 8 |
| Type: | singles |
| Main Name: | ATP Finals |
See main article: 2002 Tennis Masters Cup.
Defending champion Lleyton Hewitt defeated Juan Carlos Ferrero in the final, 7–5, 7–5, 2–6, 2–6, 6–4 to win the singles tennis title at the 2002 Tennis Masters Cup.[1] With the victory, Hewitt secured the year-end number 1 ranking for the second successive year, becoming one of only seven men (at the time) to achieve this feat.
Future six-time champion Roger Federer made his tournament debut; he was defeated by Hewitt in the semifinals.
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.