2014 Sony Open Tennis – Women's singles

Defending champion Serena Williams defeated Li Na in the final, 7–5, 6–1 to win the women's singles tennis title at the 2014 Miami Open. It was Williams' record-extending seventh Miami Open title, and was Li's last tournament final before her retirement later in 2014.

Seeds
All seeds receive a bye into the second round. • 🇺🇸 Serena Williams (champion)

• 🇨🇳 Li Na (final)

• 🇵🇱 Agnieszka Radwańska (quarterfinals)

• 🇷🇺 Maria Sharapova (semifinals)

• 🇩🇪 Angelique Kerber (quarterfinals)

• 🇷🇴 Simona Halep (withdrew because of a right toe injury)

• 🇷🇸 Jelena Janković (second round)

• 🇨🇿 Petra Kvitová (quarterfinals)

• 🇮🇹 Sara Errani (third round)

• 🇸🇰 Dominika Cibulková (semifinals)

• Caroline Wozniacki (quarterfinals)

• 🇷🇸 Ana Ivanovic (fourth round)

• 🇮🇹 Roberta Vinci (second round)

• 🇩🇪 Sabine Lisicki (third round, withdrew with the flu)

• 🇪🇸 Carla Suárez Navarro (fourth round)

• 🇦🇺 Samantha Stosur (third round)

• 🇺🇸 Sloane Stephens (third round)

• 🇨🇦 Eugenie Bouchard (second round)

• 🇧🇪 Kirsten Flipkens (fourth round)

• 🇮🇹 Flavia Pennetta (third round)

• 🇷🇺 Anastasia Pavlyuchenkova (second round)

• 🇫🇷 Alizé Cornet (third round)

• 🇷🇺 Ekaterina Makarova (fourth round)

• 🇪🇪 Kaia Kanepi (third round)

• 🇷🇴 Sorana Cîrstea (second round)

• 🇨🇿 Lucie Šafářová (third round)

• 🇨🇿 Klára Zakopalová (second round)

• 🇷🇺 Svetlana Kuznetsova (second round)

• 🇺🇸 Venus Williams (fourth round)

• 🇪🇸 Garbiñe Muguruza (second round)

• 🇸🇰 Daniela Hantuchová (second round)

• 🇷🇺 Elena Vesnina (third round)

Seeds
• # 🇸🇰 Jana Čepelová (qualifying competition, lucky loser)

• # 🇮🇹 Camila Giorgi (first round)

• # 🇸🇪 Johanna Larsson (qualifying competition)

• # 🇮🇱 Shahar Pe'er (qualified)

• # 🇫🇷 Virginie Razzano (qualified)

• # 🇦🇹 Patricia Mayr-Achleitner (qualified)

• # Mirjana Lučić-Baroni (qualifying competition)

• # 🇩🇪 Julia Görges (qualifying competition)

• # 🇮🇱 Julia Glushko (first round)

• # 🇨🇿 Petra Cetkovská (qualifying competition)

• # 🇯🇵 Kimiko Date-Krumm (qualified)

• # 🇧🇪 Alison Van Uytvanck (first round)

• # 🇧🇾 Olga Govortsova (qualified)

• # 🇪🇸 Anabel Medina Garrigues (first round)

• # 🇵🇱 Katarzyna Piter (qualified)

• # 🇨🇦 Sharon Fichman (qualifying competition)

• # Petra Martić (first round)

• # 🇧🇷 Teliana Pereira (first round)

• # 🇯🇵 Misaki Doi (first round)

• # 🇪🇸 Estrella Cabeza Candela (qualified)

• # 🇱🇺 Mandy Minella (first round)

• # Donna Vekić (qualified)

• # 🇺🇦 Nadiia Kichenok (qualified)

• # 🇭🇺 Tímea Babos (first round)

Qualifiers
• # Kiki Bertens

• # 🇰🇿 Zarina Diyas

• # Donna Vekić

• # 🇮🇱 Shahar Pe'er

• # 🇫🇷 Virginie Razzano

• # 🇦🇹 Patricia Mayr-Achleitner

• # 🇺🇦 Nadiia Kichenok

• # 🇧🇾 Olga Govortsova

• # 🇵🇱 Katarzyna Piter

• # 🇪🇸 Estrella Cabeza Candela

• # 🇯🇵 Kimiko Date-Krumm

• # 🇺🇸 CoCo Vandeweghe

Lucky losers

 * 1) 🇸🇰 Jana Čepelová