2010 Shimadzu All Japan Indoor Tennis Championships – Singles

Sergei Bubka was the defending champion; however, he lost 0–6, 6–4 6–7(3–7) to Yuichi Sugita in the second round.

Sugita defeated Matthew Ebden in the final (4–6, 6–4, 6–1).

Seeds
• # 🇵🇱 Michał Przysiężny (semifinals)

• # 🇦🇹 Martin Fischer (first round)

• # 🇯🇵 Tatsuma Ito (quarterfinals)

• # 🇺🇦 Sergei Bubka (second round)

• # 🇦🇺 Greg Jones (second round)

• # 🇩🇪 Simon Stadler (first round)

• # 🇳🇿 Daniel King-Turner (first round)

• # 🇩🇪 Andre Begemann (quarterfinals)