Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Japan
02.07.90, 34 years
02.07.90, 34 years
Natsumi Hamamura vs. Mayumi Seki - H2H matches
| 28.05.07 | 1st round | Natsumi Hamamura | Mayumi Seki | 6-3, 6-0 | match details |  Gunma | Carpet |
Natsumi Hamamura form & Mayumi Seki form
Natsumi Hamamura - last matches
| Hamanako - Carpet | ||||
| 24.10.11 1st round | vs. Mari Inoue | 6-74, 6-2, 6-3 |  | match details |
| 24.10.11 2nd round | vs. Akiko Omae | 6-74, 1-6 |  | match details |
| Makinohara - Carpet | ||||
| 17.10.11 1st round | vs. Chihiro Takayama | 7-63, 6-1 | | match details |
| 17.10.11 2nd round | vs. Junri Namigata | 6-4, 2-6, 4-6 | | match details |
| Osaka - Hard | ||||
| 09.10.11 q 2 | vs. Su-Wei Hsieh | 1-6, 2-6 | | match details |
| 08.10.11 q 1 | vs. Shiho Akita | 6-4, 6-3 | | match details |
| Kofu - Hard | ||||
| 03.10.11 1st round | vs. Wen-Hsin Hsu | 7-65, 1-6, 1-6 | | match details |
| Tokyo - Hard | ||||
| 24.09.11 q 1 | vs. Rika Fujiwara | 2-6, 2-6 | | match details |
| Noto - Carpet | ||||
| 05.09.11 2nd round | vs. Tamaryn Hendler | 2-6, 5-7 | | match details |
| 05.09.11 1st round | vs. Hirono Watanabe | 7-5, 6-0 | | match details |
 Balikpapan - Hard | ||||
| 13.06.11 1st round | vs. Xuanshuo Ou | 6-3, 3-0, Xuanshuo Ou - retired | | match details |
| 13.06.11 2nd round | vs. Varatchaya Wongteanchai | 4-6, 2-6 | | match details |
| Niigata - Hard | ||||
| 23.05.11 2nd round | vs. Sachie Ishizu | 4-6, 6-2, 3-6 | | match details |
| 23.05.11 1st round | vs. Makiho Kozawa | 6-4, 6-3 | | match details |
| Karuizawa - Carpet | ||||
| 16.05.11 1/2 | vs. Misa Eguchi | 4-6, 1-2, - Natsumi Hamamura - retired | | match details |
| 16.05.11 2nd round | vs. Mana Ayukawa | 6-3, 6-3 | | match details |
| 16.05.11 1/4 | vs. Miyabi Inoue | 6-2, 6-3 | | match details |
| 16.05.11 1st round | vs. Akari Inoue | 6-2, 6-4 | | match details |
| Kurume - Grass | ||||
| 09.05.11 1st round | vs. Sachie Ishizu | 2-6, 2-6 | | match details |
| Fukuoka - Carpet | ||||
| 02.05.11 1st round | vs. Miki Miyamura | 7-5, 7-62 | | match details |
| 02.05.11 1/4 | vs. Aiko Nakamura | 6-2, 2-6, 5-7 | | match details |
| 02.05.11 2nd round | vs. Sacha Jones | 6-4, 6-4 | | match details |
| Gifu - Hard | ||||
| 25.04.11 1st round | vs. Emily Webley-Smith | 4-6, 6-4, 3-6 | | match details |
 Incheon - Hard | ||||
| 11.04.11 2nd round | vs. Erika Takao | 7-62, 0-6, 3-6 | | match details |
| 11.04.11 1st round | vs. Sung-Hee Han | 6-3, 6-76, 6-1 | | match details |
 Bundaberg - Clay | ||||
| 04.04.11 2nd round | vs. Wen-Hsin Hsu | 1-6, 6-72 | | match details |
| 04.04.11 1st round | vs. Shannon Golds | 6-3, 6-2 | | match details |
| Ipswich - Clay | ||||
| 28.03.11 2nd round | vs. Lesya Tsurenko | 4-6, 3-6 | | match details |
| 28.03.11 1st round | vs. Ebony Panoho | 6-75, 6-4, 6-0 | | match details |
| Burnie - Hard | ||||
| 31.01.11 1st round | vs. Tammi Patterson | 1-6, 6-3, 4-6 | | match details |
Mayumi Seki - last matches
| Hiroshima - Carpet | ||||
| 24.09.07 1st round | vs. Airi Hagimoto | 2-6, 2-6 | | match details |
| Gunma - Carpet | ||||
| 28.05.07 1st round | vs. Natsumi Hamamura | 3-6, 0-6 | | match details |
| Hiroshima - Carpet | ||||
| 11.09.06 1st round | vs. Minori Takemoto | 3-6, 4-6 | | match details |
