The 2004 Gaz de France Stars was a tennis tournament played on indoor hard courts. It was the inaugural edition of the Gaz de France Stars, and was part of the WTA International tournaments of the 2004 WTA Tour. It took place in Hasselt, Belgium, in late September to early October, 2004.[1] [2]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 Russian Federation | Elena Dementieva | 6 | 1 |
 Belgium | Kim Clijsters | 7 | 2 |
| Russian Federation | Elena Bovina | 17 | 3 |
| Karolina Šprem | 18 | 4 | |
 Italy | Francesca Schiavone | 19 | 5 |
| Italy | Silvia Farina Elia | 20 | 6 |
| Magdalena Maleeva | 22 | 7 | |
 France | 24 | 8 | |
| Jelena Kostanić | 35 | 9 | |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as a lucky loser:
Nathalie Dechy (left thigh sprain) Émilie Loit (pelvis injury)See main article: 2004 Gaz de France Stars – Singles. Kim Clijsters def. Francesca Schiavone, 6 - 2, 6 - 3
See main article: 2004 Gaz de France Stars – Doubles. Émilie Loit / Katarina Srebotnik def. Michaëlla Krajicek / 
Ágnes Szávay, 6 - 3, 6 - 4
