2004 Proximus Diamond Games – Singles

Venus Williams was the defending champion, but did not compete this year.

Kim Clijsters won the title by defeating Silvia Farina Elia 6–3, 6–0 in the final.

Seeds
Two out of the first five seeds (plus two lucky losers) received a bye into the second round. • # 🇧🇪 Justine Henin-Hardenne (withdrew)

• # 🇧🇪 Kim Clijsters (champion)

• # 🇺🇸 Venus Williams (withdrew)

• # 🇷🇺 Elena Dementieva (withdrew)

• # Patty Schnyder (quarterfinals)

• # 🇮🇹 Francesca Schiavone (withdrew)

• # 🇮🇱 Anna Smashnova-Pistolesi (first round)

• # 🇮🇹 Silvia Farina Elia (final)

• # 🇧🇬 Magdalena Maleeva (quarterfinals)

• # 🇪🇸 Magüi Serna (first round)