2003 Proximus Diamond Games – Singles

Venus Williams was the defending champion and successfully defended her title by defeating Kim Clijsters 6–2, 6–4 in the final.

Seeds
The top four seeds receive a bye into the second round. • # 🇺🇸 Venus Williams (champion)

• # 🇧🇪 Kim Clijsters (final)

• # 🇧🇪 Justine Henin-Hardenne (semifinals)

• # 🇸🇰 Daniela Hantuchová (semifinals)

• # 🇫🇷 Amélie Mauresmo (withdrew due to an adductor strain)

• # Jelena Dokic (first round)

• # Patty Schnyder (quarterfinals)

• # 🇫🇷 Nathalie Dechy (quarterfinals)

• # 🇺🇸 Alexandra Stevenson (first round)