 Japan: Toyota - Doubles - Main |
|---|
| Quarter-finals | Ninomiya M./Sawayanagi R. | Hsu W-H./Iijima K. | 2:0 (6:4, 7:65) | details | 24.11.2011 |
| 1/8-finals | Hsu W-H./Iijima K. | Hamamura N./Oka A. | 2:1 (6:2, 65:7, 10:7) | details | 23.11.2011 |
 Taiwan: Taipei - Doubles - Main |
|---|
| 1/8-finals | Pliskova Ka./Pliskova Kr. | Adamczak M./Iijima K. | 2:0 (6:3, 7:5) | details | 02.11.2011 |
 China: Ningbo - Doubles - Main |
|---|
| Semi-finals | Luzhanska T./Zheng S. | Chan H-C./Iijima K. | 2:1 (6:2, 3:6, 10:8) | details | 15.09.2011 |
| Quarter-finals | Chan H-C./Iijima K. | Kao S.-Y./Zhao Y. | 2:1 (6:2, 3:6, 11:9) | details | 14.09.2011 |
| 1/8-finals | Dong X./Feng X. | Chan H-C./Iijima K. | 1:2 (6:3, 4:6, 9:11) | details | 13.09.2011 |
| Japan: Osaka - Doubles - Main |
|---|
| 1/8-finals | Iijima K./Sema Y. | Grandin N./Chan C-W. | 0:2 (2:6, 4:6) | details | 12.10.2010 |
 USA: Charleston - Doubles - Main |
|---|
| 1/8-finals | Peschke K./Stubbs R. | Iijima K./Yonemura A. | 2:0 (7:6, 6:3) | details | 16.04.2008 |
| 1/16-finals | Fedak J./Jidkova A. | Iijima K./Yonemura A. | 0:2 (4:6, 5:7) | details | 14.04.2008 |
 Thailand: Pattaya - Doubles - Main |
|---|
| 1/8-finals | Iijima K./Namigata J. | Hsieh S-W./King V. | 0:2 (2:6, 1:6) | details | 05.02.2008 |
| Japan: Tokyo 3 - Doubles - Main |
|---|
| 1/8-finals | Iijima K./Okamoto S. | Ferguson S./Yonemura A. | 1:2 (6:0, 3:6, 6:7) | details | 02.10.2007 |
| Japan: Tokyo 3 - Doubles - Main |
|---|
| 1/8-finals | Iijima K./Namigata J. | Chan L./Chuang C.-J. | 1:2 (1:6, 6:3, 1:6) | details | 04.10.2006 |
Australia: Ipswich - Singles - Main
United Kingdom: Wimbledon - Singles - Qualification
France: French Open - Singles - Qualification