2011 Dunlop World Challenge
| 2011 Dunlop World Challenge | |
|---|---|
| Date | 21 – 27 November |
| Edition | 4th |
| Location | Toyota, Japan |
| Champions | |
| Men's singles | |
 Tatsuma Ito | |
| Women's singles | |
 Tamarine Tanasugarn | |
| Men's doubles | |
Hiroki Kondo /  Yi Chu-huan | |
| Women's doubles | |
| Makoto Ninomiya / Riko Sawayanagi | |
The 2011 Dunlop World Challenge was a professional tennis tournament played on carpet courts. It was the fourth edition of the tournament which was part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit. It took place in Toyota, Japan between 21 and 27 November 2011.
ATP Entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| JPN
|
Go Soeda | 116 | 1 |
| JPN
|
Tatsuma Ito | 120 | 2 |
| JPN
|
Yuichi Sugita | 193 | 3 |
| THA
|
Danai Udomchoke | 211 | 4 |
 GER
|
Andre Begemann | 216 | 5 |
 MDA
|
Roman Borvanov | 221 | 6 |
| GER
|
Sebastian Rieschick | 262 | 7 |
| TPE
|
Jummy Wang | 287 | 8 |
- 1 Rankings are as of November 14, 2011.
Other Entrants
The following players received wildcards into the singles main draw:
Takeshi Endo- Takuto Niki
- Arata Onozawa
- Shota Tagawa
The following players received entry from the qualifying draw:
Gao Wan
Lee Jea-moon- Masatoshi Miyazaki
Wang Chieh-fu
WTA Entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| JPN
|
Kimiko Date-Krumm | 100 | 1 |
| JPN
|
Misaki Doi | 106 | 2 |
 NED
|
Michaëlla Krajicek | 107 | 3 |
| JPN
|
Erika Sema | 120 | 4 |
| THA
|
Tamarine Tanasugarn | 121 | 5 |
| TPE
|
Chan Yung-jan | 132 | 6 |
| JPN
|
Kurumi Nara | 143 | 7 |
 FRA
|
Caroline Garcia | 150 | 8 |
- 1 Rankings are as of November 14, 2011.
Other Entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry by a lucky loser spot:
Champions
Men's Singles
Tatsuma Ito def. Sebastian Rieschick, 6–4, 6–2
Women's Singles
Tamarine Tanasugarn def. Kimiko Date-Krumm, 6–2, 7–5
Men's Doubles
Hiroki Kondo / Yi Chu-huan vs. 
Gao Peng / Gao Wan, 6–4, 6–1
Women's Doubles
Makoto Ninomiya / Riko Sawayanagi def. Caroline Garcia / Michaëlla Krajicek, Walkover