Final score 4–6, 6–4, 6–2 | ||
Yuichi Sugita was the defending champion after defeating Matthew Ebden in the 2010 final. He was eliminated by Cedrik-Marcel Stebe already in the first round.
Stebe reached the final, but lost to Dominik Meffert 6–4, 4–6, 2–6.
References
2011 All Japan Indoor Tennis Championships – Singles Wikipedia(Text) CC BY-SA