2011 Kōfu International Open
# 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

| Country | Player | $Rank^1$ | Seed |
| - | - | - | - |
| THA | Tamarine Tanasugarn | 93 | 1 |
| JPN | Erika Sema | 124 | 2 |
| THA | Noppawan Lertcheewakarn | 149 | 3 |
| TPE | Chang Kai-chen | 150 | 4 |
| LUX | Mandy Minella | 155 | 5 |
| JPN | Yurika Sema | 189 | 6 |
| JPN | Junri Namigata | 198 | 7 |
| JPN | Aiko Nakamura | 224 | 8 |

* $^1$ Rankings are as of September 26, 2011.

### Other entrants

The following players received wildcards into the singles main draw:

* Mai Minokoshi
* Risa Ozaki
* Riko Sawayanagi
* Yuuki Tanaka

The following players received entry from the qualifying draw:

* Mana Ayukawa
* Yumi Miyazaki
* Yuriko Sakai
* Aki Yamasoto

## Champions

### Singles

Chang Kai-chen def. Mandy Minella, 6–4, 1–6, 6–4

### Doubles

Chan Chin-wei / Hsu Wen-hsin def. Remi Tezuka / Akiko Yonemura, 6–3, 6–4

