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| Shenzhen $10,000 Hard | Feb 19 2006 |
| 1 | Jia Zhao - Kitazaki(6) | 6-4 0-6 6-2 |
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| Shenzhen $10,000 Hard | Feb 26 2006 |
| 1 | Kitazaki(6) - Ting-Ting Lu-Q | 6-2 6-2 |
| 2 | Kitazaki(6) - Shan-Shan Li | 6-4 6-2 |
| QF | Mi Yoo(1) - Kitazaki(6) | 6-1 2-6 6-3 |
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| Jakarta $10,000 Hard | May 7 2006 |
| 1 | Thassha Vitayaviroj(3) - Kitazaki | 6-72 6-3 6-3 |
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| Tarakan $10,000 Hard | May 14 2006 |
| 1 | Kitazaki - Hiromi Okazaki | 6-1 6-1 |
| 2 | Rebecca Fong(4) - Kitazaki | 6-1 6-0 |
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| Nagano $25,000 Carpet | May 28 2006 |
| Qual 1 | Kitazaki(12) - Mika Kawamura | 6-4 6-3 |
| Qual 2 | Eriko Mizuno(5) - Kitazaki(12) | 6-3 6-4 |
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| Gunma $25,000 Carpet | Jun 4 2006 |
| Qual 1 | Kitazaki(12) - Sayaka Umeda | 6-2 4-6 6-4 |
| Qual 2 | Kitazaki(12) - Cassandra Barr(3) | 6-4 6-75 6-2 |
| 1 | Kitazaki-Q - Ka-Po Tong | 6-1 6-4 |
| 2 | Kitazaki-Q - Mari Tanaka(7) | 6-4 6-3 |
| QF | Mayumi Yamamoto - Kitazaki-Q | 6-2 6-4 |
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| Tokyo $10,000 Hard | Jun 11 2006 |
| 1 | Yumi Miyazaki - Kitazaki | 5-7 7-64 6-4 |
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| Nagoya $25,000 Hard | Jul 9 2006 |
| Qual 1 | Sakiko Shimizu - Kitazaki(12) | 4-6 6-1 6-2 |
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| Miyazaki $25,000 Carpet | Jul 16 2006 |
| Qual 1 | Yuka Kuroda - Kitazaki(10) | 2-6 6-3 7-5 |
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| Kurume $25,000 Carpet | Jul 23 2006 |
| Qual 1 | Kitazaki(5) - Ami Nakano | 6-1 6-0 |
| Qual 2 | Kitazaki(5) - Maya Kato(12) | 6-3 6-2 |
| 1 | Antonia Matic - Kitazaki-Q | 6-3 6-3 |
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| Chengdu $25,000 Hard | Jul 30 2006 |
| Qual 1 | Kitazaki(3) | bye |
| Qual 2 | Xia-Ling Li - Kitazaki(3) | 3-6 6-2 6-2 |
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| Changsha $25,000 Hard | Aug 6 2006 |
| Qual 1 | Kitazaki(2) | bye |
| Qual 2 | Quan Gao - Kitazaki(2) | 6-3 6-0 |
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| Tokyo $10,000 Hard | Aug 20 2006 |
| 1 | Kaori Onishi - Kitazaki(3) | 6-2 7-5 |
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| Saitama $10,000 Hard | Sep 3 2006 |
| 1 | Kitazaki(7) - Yuko Kurata | 6-1 6-4 |
| 2 | Akari Inoue - Kitazaki(7) | 6-0 6-4 |
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| Kyoto $10,000 Carpet | Sep 10 2006 |
| 1 | Tomoko Taira - Kitazaki(7) | 6-3 6-2 |
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| Ibaraki $25,000 Hard | Sep 24 2006 |
| Qual 1 | Mari Inoue - Kitazaki(11) | 5-7 6-3 6-1 |
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| Tokyo $50,000 Hard | Oct 1 2006 |
| Qual 1 | Antonia Matic(2) - Kitazaki | 6-2 6-2 |
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| Makinohara $25,000 Carpet | Oct 22 2006 |
| Qual 1 | Kanako Ishida - Kitazaki(7) | 7-66 6-3 |
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| Hamanako $25,000 Carpet | Oct 29 2006 |
| Qual 1 | Kitazaki(8) - Hitomi Fujii | 7-5 3-6 7-62 |
| Qual 2 | Maika Ozaki - Kitazaki(8) | 6-1 6-0 |
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| Sutama $25,000 Clay | Nov 5 2006 |
| Qual 1 | Yurina Koshino - Kitazaki(3) | 6-1 6-2 |