2013 Brussels Open – Singles

Agnieszka Radwańska was the defending champion but decided not to participate.

Kaia Kanepi won the title, defeating Peng Shuai in the final, 6–2, 7–5.

Seeds
The top two seeds receive a bye into the second round. • # Caroline Wozniacki (second round)

• # 🇮🇹 Roberta Vinci (quarterfinals)

• # 🇸🇰 Dominika Cibulková (first round)

• # 🇺🇸 Sloane Stephens (quarterfinals)

• # 🇧🇪 Kirsten Flipkens (second round)

• # 🇩🇪 Julia Görges (second round, retired)

• # 🇺🇸 Varvara Lepchenko (quarterfinals)

• # 🇨🇳 Peng Shuai (final)

Seeds
• # 🇺🇸 Mallory Burdette (qualified)

• # Mirjana Lučić-Baroni (first round)

• # 🇺🇸 Melanie Oudin (qualified)

• # 🇺🇸 Coco Vandeweghe (qualifying competition, lucky loser)

• # 🇨🇿 Kristýna Plíšková (second round)

• # Maria João Koehler (qualifying competition)

• # 🇰🇿 Yulia Putintseva (qualified)

• # 🇺🇸 Alexa Glatch (first round)

Qualifiers
• # 🇺🇸 Mallory Burdette

• # 🇨🇳 Zhang Shuai

• # 🇺🇸 Melanie Oudin

• # 🇰🇿 Yulia Putintseva

Lucky losers

 * 1) 🇺🇸 Coco Vandeweghe