2014 Japan Women's Open – Singles

Samantha Stosur successfully defended her title, defeating Zarina Diyas in the final, 7–6(9–7), 6–3.

Seeds
• # 🇦🇺 Samantha Stosur (champion)

• # 🇺🇸 Madison Keys (quarterfinals, retired)

• # 🇺🇦 Elina Svitolina (semifinals)

• # 🇺🇸 Coco Vandeweghe (second round)

• # 🇰🇿 Zarina Diyas (final)

• # 🇬🇧 Heather Watson (second round)

• # 🇺🇸 Christina McHale (first round)

• # 🇺🇸 Lauren Davis (quarterfinals)

Seeds
• # 🇯🇵 Hiroko Kuwata (qualified)

• # 🇫🇷 Alizé Lim (second round)

• # Indy de Vroome (second round)

• # 🇦🇺 Arina Rodionova (second round)

• # 🇯🇵 Miharu Imanishi (qualifying competition, lucky loser)

• # 🇯🇵 Nao Hibino (second round)

• # 🇺🇦 Olga Savchuk (qualifying competition)

• # Chan Yung-jan (qualified)

Qualifiers
• # 🇯🇵 Hiroko Kuwata

• # Chan Yung-jan

• # 🇷🇴 Ana Bogdan

• # 🇯🇵 Shuko Aoyama

Lucky loser
• # 🇯🇵 Miharu Imanishi