2003 Open de Moselle
| 2003 Open de Moselle | |
|---|---|
| Date | 29 September – 5 October |
| Edition | 6th |
| Category | International Series |
| Surface | Hard / indoor |
| Location | Metz, France |
| Venue | Arènes de Metz |
| Champions | |
| Singles | |
 Arnaud Clément | |
| Doubles | |
| Julien Benneteau / Nicolas Mahut | |
The 2003 Open de Moselle was a men's tennis tournament played on indoor hard courts at the Arènes de Metz in Metz, France and was part of the International Series of the 2003 ATP Tour. The tournament ran from 29 September until 5 October 2003. Fourth-seeded Arnaud Clément won the singles title.
Finals
Singles
Arnaud Clément defeated 
Fernando González 6–3, 1–6, 6–3
- It was Clément's only title of the year and the 4th of his career.
Doubles
Julien Benneteau / Nicolas Mahut defeated Michaël Llodra / Fabrice Santoro 7–6(7–2), 6–3
- It was Benneteau's only title of the year and the 1st of his career. It was Mahut's only title of the year and the 1st of his career.