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Saori Obata vs. Sheng-Nan Sun - head to head matches
| 07.11.05 | 2nd round | Saori Obata | Sheng-Nan Sun | 6-4, 6-3 | match details |  Shenzhen | Hard |
Saori Obata form & Sheng-Nan Sun form
Saori Obata - last matches
 Indian Wells - Hard | ||||
| 08.03.06 1st round | vs. Camille Pin | 2-6, 2-6 |  | match details |
| Las Vegas - Hard | ||||
| 27.02.06 1st round | vs. Varvara Lepchenko | 6-4, 4-6, 6-2 |  | match details |
| 27.02.06 1/4 | vs. Angela Haynes | 6-79, 3-6 | | match details |
| 27.02.06 2nd round | vs. Hanna Nooni | 6-3, 6-2 | | match details |
 Pattaya City - Hard | ||||
| 05.02.06 q 1 | vs. Su-Wei Hsieh | 4-6, 2-6 | | match details |
 Tokyo - Carpet | ||||
| 01.02.06 2nd round | vs. Nicole Vaidisova | 4-6, 4-6 | | match details |
| 31.01.06 1st round | vs. Kveta Peschke | 6-2, 6-1 | | match details |
| 30.01.06 qual. | vs. Shiho Hisamatsu | 6-2, 6-2 | | match details |
| 29.01.06 q 2 | vs. Brenda Schultz-Mccarthy | 6-3, 7-5 | | match details |
| 28.01.06 q 1 | vs. Angelique Widjaja | 6-2, 6-2 | | match details |
 Melbourne - Hard | ||||
| 16.01.06 1st round | vs. Daniela Hantuchova | 6-3, 3-6, 0-6 | | match details |
| Canberra - Hard | ||||
| 06.01.06 q 1 | vs. Tatiana Poutchek | 4-6, 4-6 | | match details |
| Palm Beach - Clay | ||||
| 28.11.05 1st round | vs. Alisa Kleybanova | 3-6, 6-74 | | match details |
| Shenzhen - Hard | ||||
| 07.11.05 1st round | vs. Si-Si Qiu | 6-3, 6-1 | | match details |
| 07.11.05 1/2 | vs. Tamarine Tanasugarn | 6-72, 2-6 | | match details |
| 07.11.05 2nd round | vs. Sheng-Nan Sun | 6-4, 6-3 | | match details |
| 07.11.05 1/4 | vs. Tomoko Yonemura | 6-3, 7-5 | | match details |
 Busan - Hard | ||||
| 31.10.05 1st round | vs. Jin-Hee Kim | 5-7, 4-6 | | match details |
| Bangkok - Hard | ||||
| 13.10.05 2nd round | vs. Nadezda Petrova | 3-6, 2-6 | | match details |
| 11.10.05 1st round | vs. Mashona Washington | 6-2, 6-3 | | match details |
| 10.10.05 qual. | vs. Shenay Perry | 6-73, 6-3, 6-2 | | match details |
| 09.10.05 q 2 | vs. Natalie Grandin | 4-6, 6-1, 6-0 | | match details |
| 08.10.05 q 1 | vs. Carly Gullickson | 6-3, 6-4 | | match details |
| Tokyo - Hard | ||||
| 06.10.05 2nd round | vs. Tatiana Golovin | 1-6, 4-6 | | match details |
| 03.10.05 1st round | vs. Martina Sucha | 6-1, 6-0 | | match details |
| Seoul - Hard | ||||
| 29.09.05 2nd round | vs. Marion Bartoli | 2-6, 3-6 | | match details |
| 27.09.05 1st round | vs. Maria Vento-Kabchi | 7-66, 6-1 | | match details |
| 26.09.05 qual. | vs. Junri Namigata | 6-2, 6-0 | | match details |
| 25.09.05 q 2 | vs. Mi-Ok Kim | 6-0, 7-611 | | match details |
| 24.09.05 q 1 | vs. Jin-A Lee | 6-3, 6-3 | | match details |
Sheng-Nan Sun - last matches
| Beijing - Hard | ||||
| 08.07.13 2nd round | vs. Xiao Zhou | 2-6, 6-2, 1-6 | | match details |
| 08.07.13 1st round | vs. Yingying Duan | 6-2, 6-4 | | match details |
| Huzhu - Clay | ||||
| 24.06.13 1st round | vs. Lu Guo | 2-6, 6-3, 0-3, - Sheng-Nan Sun - retired | | match details |
| Changwon - Hard | ||||
| 27.05.13 1st round | vs. Akiko Omae | 5-7, 6-1, 6-1 | | match details |
| 27.05.13 2nd round | vs. Chiaki Okadaue | 6-4, 6-1 | | match details |
| 27.05.13 1/4 | vs. Yuxuan Zhang | - Sheng-Nan Sun - walk over | | match details |
| Goyang - Hard | ||||
| 20.05.13 2nd round | vs. Wing-Yau Venise Chan | 6-2, 6-2 | | match details |
| 20.05.13 1/4 | vs. Misa Eguchi | 6-77, 2-6 | | match details |
| 20.05.13 1st round | vs. Sun-Jung Kim | 6-2, 6-3 | | match details |
| Kurume - Grass | ||||
| 13.05.13 2nd round | vs. Sachie Ishizu | 6-77, 4-6 | | match details |
| 13.05.13 1st round | vs. Risa Ozaki | 3-6, 6-4, 7-5 | | match details |
| Fukuoka - Grass | ||||
| 06.05.13 1st round | vs. Eri Hozumi | 3-6, 6-1, 2-6 | | match details |
| Gifu - Hard | ||||
| 29.04.13 2nd round | vs. Monique Adamczak | 4-6, 6-2, 6-2 | | match details |
| 29.04.13 1/4 | vs. An-Sophie Mestach | 6-1, 3-6, 3-6 | | match details |
| 29.04.13 1st round | vs. Yue-Yue Hu | 6-3, 6-73, 6-2 | | match details |
| Wenshan - Hard | ||||
| 22.04.13 1st round | vs. Wen-Hsin Hsu | 7-5, 6-1 | | match details |
| 22.04.13 1/4 | vs. Qiang Wang | 2-6, 7-5, 2-6 | | match details |
| 22.04.13 2nd round | vs. Chin-Wei Chan | 6-1, 6-0 | | match details |
| Launceston - Hard | ||||
| 04.02.13 1st round | vs. Chanel Simmonds | 6-74, 6-1, 4-6 | | match details |
| Burnie - Hard | ||||
| 28.01.13 1st round | vs. Emily Webley-Smith | 6-1, 6-4 | | match details |
| 28.01.13 1/4 | vs. Anett Kontaveit | 4-6, 5-7 | | match details |
| 28.01.13 2nd round | vs. Jessica Moore | 6-3, 6-0 | | match details |
| Quanzhou - Hard | ||||
| 07.01.13 1st round | vs. Yi-Jing Zhao | 6-74, 3-6 | | match details |
 Pune - Hard | ||||
| 24.12.12 1/4 | vs. Basak Eraydin | 2-6, 6-2, 5-7 | | match details |
| 24.12.12 2nd round | vs. Rashmi Teltumbde | 6-2, 6-0 | | match details |
| 24.12.12 1st round | vs. Rishika Sunkara | 6-2, 6-0 | | match details |
| Suzhou - Hard | ||||
| 08.10.12 1st round | vs. Wing-Yau Venise Chan | 6-1, 4-6, 6-4 | | match details |
| 08.10.12 2nd round | vs. Cagla Buyukakcay | 6-4, 1-6, 6-3 | | match details |
| 08.10.12 1/4 | vs. Su-Wei Hsieh | 0-6, 3-6 | | match details |
| Guangzhou - Hard | ||||
| 16.09.12 q 2 | vs. Varatchaya Wongteanchai | 3-6, 4-6 | | match details |