2011 Kōfu International Open
The 2011 Kōfu International Open was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2011 ITF Women's Circuit. It took place in Kōfu, Yamanashi, Japan between 3 and 9 October 2011.
WTA entrants
Seeds
1 Rankings are as of September 26, 2011.Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
- Mana Ayukawa
- Yumi Miyazaki
- Yuriko Sakai
- Aki Yamasoto