Nume: Ayumi Koshiishi
Ţara: Japonia
Data naşterii: 28.07.00, 25 Vârsta
Clasament WTA: 638
TOP poziţie în clasament: 367 (21.07.25, 16500 puncte)
Puncte: 71
Premii: 94314 $
Total meciuri: 476
Victorii: 296
Succes: 62.18 %
Ţara: Japonia
Data naşterii: 28.07.00, 25 Vârsta
Clasament WTA: 638
TOP poziţie în clasament: 367 (21.07.25, 16500 puncte)
Puncte: 71
Premii: 94314 $
Total meciuri: 476
Victorii: 296
Succes: 62.18 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 2025 | 33/30 | 30/26 | 0/0 | 3/4 | 0/0 | 0/0 | 0/0 |
| 2024 | 45/31 | 34/23 | 1/1 | 9/5 | 1/2 | 0/0 | 0/0 |
| 2023 | 50/20 | 49/17 | 0/0 | 0/2 | 1/1 | 0/0 | 0/0 |
| 2022 | 20/12 | 16/8 | 0/0 | 3/3 | 1/1 | 0/0 | 0/0 |
| 2021 | 48/15 | 41/10 | 4/4 | 3/1 | 0/0 | 0/0 | 0/0 |
| 2020 | 25/9 | 9/4 | 16/5 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 22/23 | 13/13 | 5/5 | 4/3 | 0/2 | 0/0 | 0/0 |
| 2018 | 30/21 | 23/18 | 0/0 | 0/0 | 7/3 | 0/0 | 0/0 |
| 2017 | 13/12 | 7/5 | 0/0 | 0/1 | 6/6 | 0/0 | 0/0 |
| 2016 | 10/7 | 1/3 | 0/0 | 2/1 | 7/3 | 0/0 | 0/0 |
| ÎN TOTAL | 296/180 | 223/127 | 26/15 | 24/20 | 23/18 | 0/0 | 0/0 |
| succes % | 62.18 % | 63.71 % | 63.41 % | 54.55 % | 56.1 % | 0 % | 0 % |
Ayumi Koshiishi / nejucate / ultimele
| nu a fost găsit nici un meci |
Ayumi Koshiishi form / an 2017
Ayumi Koshiishi / an 2017
| 27.12.17 | a 2-a rundă | Ling Zhang | Ayumi Koshiishi | 6-4, 6-3 |  | detaliu meci |  Hong Kong | Hard |
| 25.12.17 | 1-a rundă | Ayumi Koshiishi | Yuqi Sheng | 7-68, 6-2 |  | detaliu meci | ||
| 24.12.17 | Calificare | Ayumi Koshiishi | Dariya Detkovskaya | 7-5, 6-2 | | detaliu meci | ||
| 23.12.17 | 1-a rundă de calif. | Ayumi Koshiishi | Angela Wingshan Sou | 6-0, 6-0 | | detaliu meci | ||
| 13.11.17 | 1-a rundă de calif. | Na-Ri Kim | Ayumi Koshiishi | 6-3, 6-2 | | detaliu meci |  Toyota | Carpet |
| 06.11.17 | 1-a rundă de calif. | Ayumi Koshiishi | Mitsumi Kawasaki | 6-4, 5-7, 6-4 | | detaliu meci | Tokyo | Hard |
| 06.11.17 | 2-a rundă de calif. | Naomi Cheong | Ayumi Koshiishi | 7-65, 6-1 | | detaliu meci | ||
| 17.10.17 | 1-a rundă | Momoko Kobori | Ayumi Koshiishi | 7-61, 6-3 | | detaliu meci | Hamamatsu | Carpet |
| 16.10.17 | 1-a rundă de calif. | Ayumi Koshiishi | Makoto Yamaguchi | 6-1, 6-4 | | detaliu meci | ||
| 16.10.17 | 2-a rundă de calif. | Ayumi Koshiishi | Aoiko Goto | 6-0, 6-2 | | detaliu meci | ||
| 16.10.17 | Calificare | Ayumi Koshiishi | Mami Hasegawa | 6-2, 3-6, 7-610 | | detaliu meci | ||
| 12.10.17 | a 2-a rundă | Miyabi Inoue | Ayumi Koshiishi | 6-4, 6-2 | | detaliu meci | Makinohara | Carpet |
| 10.10.17 | 1-a rundă | Ayumi Koshiishi | Mayuka Aikawa | 6-2, 6-3 | | detaliu meci | ||
| 09.10.17 | 1-a rundă de calif. | Ayumi Koshiishi | Anri Nagata | 6-0, 4-1, Anri Nagata - retragere | | detaliu meci | ||
| 09.10.17 | Calificare | Ayumi Koshiishi | Chie Kezuka | 6-3, 6-3 | | detaliu meci | ||
| 05.09.17 | 1-a rundă | Ramu Ueda | Ayumi Koshiishi | 6-4, 6-2 | | detaliu meci | Kyoto | In. Hard |
| 28.08.17 | 1-a rundă | Miyabi Inoue | Ayumi Koshiishi | 6-2, 6-3 | | detaliu meci | Nanao | Carpet |
| 21.08.17 | 1-a rundă de calif. | Aiko Yoshitomi | Ayumi Koshiishi | 7-5, 4-6, 6-3 | | detaliu meci | Tsukuba | Hard |
| 22.05.17 | 2-a rundă de calif. | Ellen Allgurin | Ayumi Koshiishi | 6-4, 6-2 | | detaliu meci | Karuizawa | Carpet |
| 08.05.17 | 1-a rundă de calif. | Monique Adamczak | Ayumi Koshiishi | 6-3, 6-0 | | detaliu meci | Fukuoka | Carpet |
| 22.03.17 | 1-a rundă | Risa Ushijima | Ayumi Koshiishi | 6-1, 6-1 | | detaliu meci | Nishi Tama | Hard |
| 20.03.17 | 1-a rundă de calif. | Ayumi Koshiishi | Nina Stadler | 0-6, 7-66, 6-3 | | detaliu meci | ||
| 20.03.17 | 2-a rundă de calif. | Ayumi Koshiishi | Robu Kajitani | 1-6, 6-0, 6-3 | | detaliu meci | ||
| 20.03.17 | Calificare | Ayumi Koshiishi | Eri Shimizu | 6-3, 7-5 | | detaliu meci | ||
| 06.03.17 | 1-a rundă de calif. | Haruka Kaji | Ayumi Koshiishi | 4-6, 6-1, 6-4 | | detaliu meci | Yokohama | Hard |
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