2001 Tennis Masters Cup – Singles
| Singles | |
|---|---|
| 2001 Tennis Masters Cup | |
| Champion | Lleyton Hewitt |
| Runner-up | Sébastien Grosjean |
| Score | 6–3, 6–3, 6–4 |
| Draw | 8 |
Lleyton Hewitt defeated Sébastien Grosjean in the final, 6–3, 6–3, 6–4 to win the singles tennis title at the 2001 Tennis Masters Cup. With his round-robin victory against Pat Rafter, Hewitt secured the year-end world No. 1 ranking for the first time. Gustavo Kuerten and Andre Agassi were in contention for the number 1 ranking before the tournament.
Kuerten was the defending champion, but was eliminated in the round-robin stage.