2004 Open Gaz de France – Singles

Serena Williams was the defending champion but did not compete that year.

Kim Clijsters won in the final 6–2, 6–1 against Mary Pierce.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.


 * 1) 🇧🇪 Kim Clijsters (champion)
 * 2) 🇷🇺 Elena Dementieva (quarterfinals)
 * 3)  Patty Schnyder (second round)
 * 4)  Jelena Dokić (second round)
 * 5) 🇮🇹 Francesca Schiavone (quarterfinals)
 * 6) 🇮🇱 Anna Smashnova-Pistolesi (first round)
 * 7) 🇮🇹 Silvia Farina Elia (quarterfinals)
 * 8) 🇪🇸 Magüi Serna (second round)