2011 Kōfu International Open – Doubles
# 2011 Kōfu International Open – Doubles

Seiko Okamoto and Maki Arai were the defending champions, but both players chose not to participate. Chan Chin-wei and Hsu Wen-hsin won the title, defeating Remi Tezuka and Akiko Yonemura 6–3, 6–4 in the final.

## Seeds

* Mandy Minella / Tamarine Tanasugarn (quarterfinals, withdrew)
* Chan Chin-wei / Hsu Wen-hsin (champions)
* Erika Sema / Yurika Sema (first round)
* Chen Yi / Liu Wanting (first round)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | M Minella T Tanasugarn | 6 | 7 | | | | | | | | | | | | | | |
| WC | M Ninomiya R Sawayanagi | 2 | 5 | | 1 | M Minella T Tanasugarn | | | | | | | | | | | |
| | N Hamamura A Oka | 6 | 2 | [8] | | H-s Kim C Ogi | w/o | | | | | | | | | | |
| | H-s Kim C Ogi | 0 | 6 | [10] | | | | | | H-s Kim C Ogi | 4 | 3 | | | | | |
| 4 | Y Chen W Liu | 3 | 4 | | | | | | | R Tezuka A Yonemura | 6 | 6 | | | | | |
| | K Takahata M Tanaka | 6 | 6 | | | K Takahata M Tanaka | 4 | 2 | | | | | | | | | |
| | R Tezuka A Yonemura | 6 | 7 | | | R Tezuka A Yonemura | 6 | 6 | | | | | | | | | |
| Q | M Imanishi M Minokoshi | 2 | 5 | | | | | | | | | | | | R Tezuka A Yonemura | 3 | 4 |
| | K Hisami Y Koshino | 6 | 6 | | | | | | | | | | | 2 | C-w Chan W-h Hsu | 6 | 6 |
| WC | Y Kawasaki M Tamura | 3 | 1 | | | K Hisami Y Koshino | $2^r$ | | | | | | | | | | |
| | K-c Chang S-y Hsieh | $7^7$ | 6 | | | K-c Chang S-y Hsieh | 5 | | | | | | | | | | |
| 3 | E Sema Y Sema | $6^4$ | 4 | | | | | | | K-c Chang S-y Hsieh | 6 | 4 | [9] | | | | |
| Q | A Omae H Watanabe | $7^7$ | 7 | | | | | | 2 | C-w Chan W-h Hsu | 1 | 6 | [11] | | | | |
| | E Takao C Takayama | $6^5$ | 5 | | Q | A Omae H Watanabe | 2 | 2 | | | | | | | | | |
| WC | Y Koizumi Y Nakashima | 0 | 1 | | 2 | C-w Chan W-h Hsu | 6 | 6 | | | | | | | | | |
| 2 | C-w Chan W-h Hsu | 6 | 6 | | | | | | | | | | | | | | |
