| | |
| Wellington $10,000 Hard | Mar 4 2007 |
| 1 | Kairangi Vano - Kitazaki | 7-5 3-6 6-2 |
| | |
| Hamilton $10,000 Hard | Mar 11 2007 |
| 1 | Natsumi Hamamura(5) - Kitazaki | 6-2 7-5 |
| | |
| Ho Chi Minh City $25,000 Hard | Apr 15 2007 |
| Qual 1 | Kitazaki(10) - Yurina Koshino | 6-72 6-4 6-2 |
| Qual 2 | Kitazaki(10) - Amber Liu(5) | 3-6 6-1 6-4 |
| 1 | Suchanun Viratprasert - Kitazaki | 6-2 6-3 |
| | |
| Gifu $50,000 Carpet | May 6 2007 |
| Qual 1 | Kitazaki(4) - Asako Sato | 6-3 6-0 |
| Qual 2 | Yumi Miyazaki - Kitazaki(4) | 6-4 6-3 |
| | |
| Fukuoka $50,000 Carpet | May 13 2007 |
| Qual 1 | Kitazaki(4) - Kokoro Takehara | 6-1 6-77 6-3 |
| Qual 2 | Yuriko Sakai - Kitazaki(4) | 6-1 6-4 |
| | |
| Gimhae $10,000 Clay | May 27 2007 |
| 1 | Kitazaki(5) - Eun-Jung Kim | 6-1 6-0 |
| 2 | Sun-Jung Kim - Kitazaki(5) | 6-2 6-2 |
| | |
| Gimhae $10,000 Clay | Jun 3 2007 |
| 1 | Denise Dy - Kitazaki(6) | 7-61 5-7 6-4 |
| | |
| Tokyo $10,000 Hard | Jun 10 2007 |
| 1 | Kitazaki - Kanae Hisami(1) | 3-6 7-63 6-1 |
| 2 | Chiaki Okadaue - Kitazaki | 2-6 6-4 6-4 |
| | |
| Noto $25,000 Carpet | Jul 1 2007 |
| Qual 1 | Ellen Barry(5) - Kitazaki | 6-2 6-2 |
| | |
| Nagoya $25,000 Hard | Jul 8 2007 |
| Qual 1 | Kitazaki - Miki Ueno | 6-3 6-1 |
| Qual 2 | Erika Sema(2) - Kitazaki | 6-4 0-6 7-65 |
| | |
| Khonkan $10,000 Hard | Jul 15 2007 |
| 1 | Kitazaki - Da-Jung Hong | 6-0 6-2 |
| 2 | Kitazaki - Ankita Bhambri(4) | 6-1 6-3 |
| QF | Vivien Silvany-Tony - Kitazaki | 7-64 7-66 |
| | |
| Khonkan $10,000 Hard | Jul 22 2007 |
| Qual 1 | Hathaichanok Saenyaukhot - Kitazaki(6) | 6-3 6-3 |
| | |
| Tokyo $10,000 Carpet | Aug 19 2007 |
| 1 | Maya Kato(8) - Kitazaki | 6-2 6-3 |
| | |
| Saitama $10,000 Hard | Sep 2 2007 |
| Qual 1 | Kitazaki(3) - Yuri Gonto | 6-1 6-2 |
| Qual 2 | Kitazaki(3) - Natsumi Yokota(9) | 6-0 5-7 6-2 |
| 1 | Kitazaki - Sakiko Shimizu | 2-6 6-3 6-3 |
| 2 | Kitazaki - Kanae Hisami(5) | 3-6 6-1 6-4 |
| QF | Shan-Shan Song(1) - Kitazaki | 6-1 3-6 6-4 |
| | |
| Tokyo $50,000 Hard | Sep 16 2007 |
| Qual 1 | Rika Fujiwara(2) - Kitazaki | 6-4 7-67 |
| | |
| Tsukuba $25,000 Hard | Sep 23 2007 |
| Qual 1 | Mayumi Yamamoto(15) - Kitazaki | 6-3 6-3 |
| | |
| Hiroshima $10,000 Carpet | Sep 30 2007 |
| 1 | Kitazaki - Cassandra Barr(3) | 6-3 6-4 |
| 2 | Kitazaki - Maki Arai | 7-5 6-4 |
| QF | Kitazaki - Mayumi Yamamoto(8) | 5-0 |
| SF | Kitazaki - Yuko Kurata | walkover |
| F | Kitazaki - Maya Kato(4) | 3-6 6-1 6-3 |
| | |
| Makinohara $25,000 Carpet | Oct 21 2007 |
| Qual 1 | Kitazaki(4) - Naoko Masuda | 6-2 6-2 |
| Qual 2 | Kitazaki(4) - Yumi Nakano(9) | 7-65 3-6 6-2 |
| 1 | Seiko Okamoto(4) - Kitazaki | 6-1 6-2 |
| | |
| Hamanako $25,000 Carpet | Oct 28 2007 |
| Qual 1 | Kitazaki(8) - Yui Takauchi | 6-1 6-0 |
| Qual 2 | Kitazaki(8) - Maki Arai | 6-1 7-65 |
| 1 | Ayumi Oka - Kitazaki | 7-68 6-4 |
| | |
| Kofu $10,000 Hard | Nov 4 2007 |
| 1 | Kitazaki(6) - Shiho Akita | 6-3 7-5 |
| 2 | Kitazaki(6) - Anastasia Malhotra | 7-5 6-2 |
| QF | Kitazaki(6) - Chiaki Okadaue(1) | 6-1 5-7 6-4 |
| SF | Ayaka Maekawa(4) - Kitazaki(6) | 6-1 2-6 6-3 |