| 2003 Tennis Masters Cup | |
|---|---|
| Date | November 8–16 |
| Edition | 34th (singles) / 29th (doubles) |
| Category | ATP Finals |
| Draw | 8S / 8D |
| Prize money | $3,700,000 |
| Surface | Hard / outdoor |
| Location | Houston, United States |
| Venue | Westside Tennis Club |
| Champions | |
| Singles | |
 Roger Federer[1] | |
| Doubles | |
 Bob Bryan / Mike Bryan[2] | |
The 2003 Tennis Masters Cup was a men's tennis tournament played on outdoor hard courts. It was the 34th edition of the year-end singles championships and the 29th edition of the year-end doubles championships, and was part of the 2003 ATP Tour. It took place at the Westside Tennis Club in Houston, Texas in the United States from November 8 through November 16, 2003.[3]
- ^ "2003 Tennis Masters Cup – Singles results". Association of Tennis Professionals (ATP).
- ^ "2003 Tennis Masters Cup – Doubles results". Association of Tennis Professionals (ATP).
- ^ "Federer rolls to Masters Cup crown". CNN. November 17, 2003.