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 / suprafaţa: Carpet
Ayumi Koshiishi / suprafaţa: Carpet
| 13.05.24 | 1-a rundă de calif. | Ayumi Koshiishi | Nanari Katsumi | 6-0, 6-1 |  | detaliu meci |  W75 Kurume | Carpet |
| 13.05.24 | Calificare | Miho Kuramochi | Ayumi Koshiishi | 6-3, 6-0 |  | detaliu meci | ||
| 06.05.24 | 1-a rundă de calif. | Lisa-Marie Rioux | Ayumi Koshiishi | 6-1, 6-3 | | detaliu meci | W75 Fukuoka | Carpet |
| 16.11.23 | a 2-a rundă | Isabella Shinikova | Ayumi Koshiishi | 7-5, 5-7, 6-2 | | detaliu meci |  W25 Solarino | Carpet |
| 14.11.23 | 1-a rundă | Ayumi Koshiishi | Pemra Ozgen | 2-6, 6-2, 6-4 | | detaliu meci | ||
| 13.10.22 | a 2-a rundă | Eri Shimizu | Ayumi Koshiishi | 3-6, 6-4, 6-2 | | detaliu meci | W25 Hamamatsu | Carpet |
| 12.10.22 | 1-a rundă | Ayumi Koshiishi | Chihiro Muramatsu | 6-3, 3-6, 7-5 | | detaliu meci | ||
| 27.08.19 | 1-a rundă | Anri Nagata | Ayumi Koshiishi | 6-4, 6-0 | | detaliu meci | W25 Nanao | Carpet |
| 06.05.19 | 1-a rundă de calif. | Mai Hontama | Ayumi Koshiishi | 3-6, 6-3, 10-2 | | detaliu meci | W60 Fukuoka | Carpet |
| 17.10.18 | 1-a rundă | Miyabi Inoue | Ayumi Koshiishi | 6-2, 6-2 | | detaliu meci | Hamamatsu | Carpet |
| 15.10.18 | Calificare | Ayumi Koshiishi | Karen Tsutsumi | 6-2, 6-1 | | detaliu meci | ||
| 14.10.18 | 1-a rundă de calif. | Ayumi Koshiishi | Yui Chikaraishi | 7-61, 6-2 | | detaliu meci | ||
| 14.10.18 | 2-a rundă de calif. | Ayumi Koshiishi | Mayuka Aikawa | 6-3, 6-2 | | detaliu meci | ||
| 11.10.18 | a 2-a rundă | Michika Ozeki | Ayumi Koshiishi | 6-2, 6-0 | | detaliu meci | Makinohara | Carpet |
| 09.10.18 | 1-a rundă | Ayumi Koshiishi | Kisa Yoshioka | 7-5, 6-3 | | detaliu meci | ||
| 30.08.18 | a 2-a rundă | Ayano Shimizu | Ayumi Koshiishi | 7-5, 6-3 | | detaliu meci | Nanao | Carpet |
| 29.08.18 | 1-a rundă | Ayumi Koshiishi | Tori Kinard | 7-5, 5-7, 6-4 | | detaliu meci | ||
| 27.08.18 | 2-a rundă de calif. | Ayumi Koshiishi | Ayaka Ozeki | 4-6, 6-3, 6-3 | | detaliu meci | ||
| 27.08.18 | Calificare | Ayumi Koshiishi | Yu-Ting Hsieh | 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 |
| 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 | Calificare | Ayumi Koshiishi | Chie Kezuka | 6-3, 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 | ||
| 28.08.17 | 1-a rundă | Miyabi Inoue | Ayumi Koshiishi | 6-2, 6-3 | | detaliu meci | Nanao | Carpet |
| 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 |
| 14.11.16 | 2-a rundă de calif. | Na-Ri Kim | Ayumi Koshiishi | 7-5, 3-6, 6-3 | | detaliu meci | Toyota | Carpet |
| 14.11.16 | 1-a rundă de calif. | Ayumi Koshiishi | Sari Baba | 7-63, 6-2 | | detaliu meci | ||
| 10.10.16 | 1-a rundă | Miharu Imanishi | Ayumi Koshiishi | 6-3, 6-4 | | detaliu meci | Makinohara | Carpet |
| 10.10.16 | 1-a rundă de calif. | Ayumi Koshiishi | Mitsumi Kawasaki | 6-2, 7-63 | | detaliu meci | ||
| 10.10.16 | Calificare | Ayumi Koshiishi | Natsumi Chimura | 6-2, 6-2 | | detaliu meci | ||
| 01.09.16 | a 2-a rundă | Momoko Kobori | Ayumi Koshiishi | 6-1, 6-0 | | detaliu meci | Noto | Carpet |
| 31.08.16 | 1-a rundă | Ayumi Koshiishi | Ran Tian | 6-0, 3-6, 6-4 | | detaliu meci | ||
| 29.08.16 | Calificare | Ayumi Koshiishi | Mai Minokoshi | 2-6, 6-1, 6-4 | | detaliu meci | ||
| 29.08.16 | 1-a rundă de calif. | Ayumi Koshiishi | Hirono Watanabe | 6-2, 6-0 | | detaliu meci | ||
| 29.08.16 | 2-a rundă de calif. | Ayumi Koshiishi | Kumi So | 6-2, 6-2 | | detaliu meci |
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