| 2005 Tennis Masters Cup | |
|---|---|
| Date | 13–20 November |
| Edition | 36th (singles) / 31st (doubles) |
| Category | Masters |
| Draw | 8S / 8D |
| Prize money | $3,700,000 |
| Surface | Carpet (i) |
| Location | Shanghai, China |
| Venue | Qizhong Forest Sports City Arena |
| Champions | |
| Singles | |
 David Nalbandian[1] | |
| Doubles | |
 Michaël Llodra / Fabrice Santoro[2] | |
The 2005 Tennis Masters Cup was a men's tennis tournament played on indoor carpet courts. It was the 36th edition of the year-end singles championships, the 31st edition of the year-end doubles championships, and was part of the 2005 ATP Tour. It took place at the Qizhong Forest Sports City Arena in Shanghai, China, from November 13 through November 20, 2005. David Nalbandian won the singles title.
- ^ "2005 Tennis Masters Cup – Singles results". Association of Tennis Professionals (ATP).
- ^ "2005 Tennis Masters Cup – Doubles results". Association of Tennis Professionals (ATP).