# 2011 Kurume Best Amenity International Women's Tennis – Singles

Kristýna Plíšková was the defending champion, but chose to participate at the 2011 Sparta Prague Open instead.
Rika Fujiwara defeated Monique Adamczak in the final 6–3, 6–1.

## Seeds

* Junri Namigata (withdrew)
* Tamarine Tanasugarn (second round)
* Erika Sema (quarterfinals)
* Lee Jin-a (second round)
* Nudnida Luangnam (first round)
* Katie O'Brien (first round)
* Sacha Jones (first round)
* Kim So-jung (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Zheng Saisai | 0 | 6$^4$ | | | | | |
| | Rika Fujiwara | 6 | 7 | | | | | |
| | Rika Fujiwara | 6 | 7 | | | Rika Fujiwara | 6 | 6 |
| | | | | | SR | Monique Adamczak | 3 | 1 |
| | Shiho Akita | 5 | 6 | 3 | SR | Monique Adamczak | 3 | 1 |
| SR | Monique Adamczak | 7 | 2 | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| LL | H Watanabe | 6 | 6 | | | | | | | | | | | | | |
| WC | E Mutaguchi | 1 | 1 | | LL | H Watanabe | 6$^3$ | 3 | | | | | | | | |
| WC | Y Miyazaki | 2 | 6$^1$ | | | S Zheng | 7 | 6 | | | | | | | | |
| | S Zheng | 6 | 7 | | | | | | | S Zheng | 3 | 6 | 6 | | | |
| | O Puchkova | 5 | 6 | 3 | | | | | Q | A Omae | 6 | 2 | 3 | | | |
| Q | A Omae | 7 | 2 | 6 | Q | A Omae | 6 | 6 | | | | | | | | |
| LL | A Inoue | 4 | 6 | 7 | LL | A Inoue | 2 | 2 | | | | | | | | |
| 5 | N Luangnam | 6 | 4 | 6$^1$ | | | | | | | | | | S Zheng | 0 | 6$^4$ |
| 3 | E Sema | 6 | 7 | | | | | | | | | | | R Fujiwara | 6 | 7 |
| | Q Wang | 3 | 5 | | 3 | E Sema | 6 | 6 | | | | | | | | |
| | R Tezuka | 2 | 4 | | Q | A Yonemura | 1 | 2 | | | | | | | | |
| Q | A Yonemura | 6 | 6 | | | | | | 3 | E Sema | 4 | 1 | | | | |
| | E Takao | 6 | 6 | | | | | | | R Fujiwara | 6 | 6 | | | | |
| WC | Y Nakano | 4 | 1 | | | E Takao | 2 | 2 | | | | | | | | |
| | R Fujiwara | 6 | 0 | 6 | | R Fujiwara | 6 | 6 | | | | | | | | |
| 6 | K O'Brien | 4 | 6 | 4 | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | S Jones | 3 | 6 | 0 | | | | | | | | | | | | | | | |
| | W-h Hsu | 6 | 4 | 6 | | W-h Hsu | 1 | 6 | 6 | | | | | | | | | | |
| | S Aoyama | 1 | 6 | 6$^6$ | | E Webley-Smith | 6 | 4 | 2 | | | | | | | | | | |
| | E Webley-Smith | 6 | 4 | 7 | | | | | | | W-h Hsu | 7 | 4 | 5 | | | | | |
| Q | V Wongteanchai | 5 | 5 | | | | | | | | S Akita | 6$^2$ | 6 | 7 | | | | | |
| | S Akita | 7 | 7 | | | S Akita | 6 | 6$^5$ | 6 | | | | | | | | | | |
| Q | C Ogi | 3 | 3 | | 4 | J-a Lee | 2 | 7 | 3 | | | | | | | | | | |
| 4 | J-a Lee | 6 | 6 | | | | | | | | | | | | | S Akita | 5 | 6 | 3 |
| 8 | S-j Kim | 4 | 4 | | | | | | | | | | | | SR | M Adamczak | 7 | 2 | 6 |
| WC | A Nakamura | 6 | 6 | | WC | A Nakamura | 4 | 2 | | | | | | | | | | | |
| | N Hamamura | 2 | 2 | | | S Ishizu | 6 | 6 | | | | | | | | | | | |
| | S Ishizu | 6 | 6 | | | | | | | | S Ishizu | 6 | 4 | 1 | | | | | |
| SR | M Adamczak | 6 | 6 | | | | | | | SR | M Adamczak | 4 | 6 | 6 | | | | | |
| | Y-r Lee | 0 | 2 | | SR | M Adamczak | 6 | 6 | | | | | | | | | | | |
| | S Letcher | 2 | 6 | 5 | 2 | T Tanasugarn | 4 | 3 | | | | | | | | | | | |
| 2 | T Tanasugarn | 6 | 3 | 7 | | | | | | | | | | | | | | | |