2005 Open Gaz de France – Singles

Kim Clijsters was the defending champion but did not compete that year.

Dinara Safina won in the final 6–4, 2–6, 6–3 against Amélie Mauresmo.

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) 🇺🇸 Serena Williams (quarterfinals)
 * 2) 🇫🇷 Amélie Mauresmo (final)
 * 3) 🇷🇺 Maria Sharapova (withdrew)
 * 4) 🇷🇺 Nadia Petrova (semifinals)
 * 5) 🇫🇷 Nathalie Dechy (second round)
 * 6)  Karolina Šprem (first round)
 * 7) 🇮🇹 Silvia Farina Elia (quarterfinals)
 * 8) 🇧🇬 Magdalena Maleeva (quarterfinals)