2005 Proximus Diamond Games – Singles

Kim Clijsters was the defending champion, but lost in quarterfinals to Venus Williams.

Amélie Mauresmo won the title, defeating Williams in the final 4–6, 7–5, 6–4.

Seeds
The first four seeds received a bye into the second round. • # 🇫🇷 Amélie Mauresmo (champion)

• # 🇷🇺 Anastasia Myskina (semifinals)

• # 🇺🇸 Venus Williams (final)

• # 🇦🇺 Alicia Molik (semifinals)

• # 🇷🇺 Nadia Petrova (second round)

• # 🇫🇷 Nathalie Dechy (first round)

• # Patty Schnyder (quarterfinals)

• # Karolina Šprem (first round)