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: In. Hard
Ayumi Koshiishi / suprafaţa: In. Hard
| 28.10.25 | 1-a rundă | Kayla Cross | Ayumi Koshiishi | 2-6, 6-2, 6-3 |  | detaliu meci |  W75 Toronto | In. Hard |
| 24.10.25 | Sfert de finală | Anna Sinclair Rogers | Ayumi Koshiishi | 6-2, 6-4 | | detaliu meci | W75 Saguenay | In. Hard |
| 23.10.25 | a 2-a rundă | Ayumi Koshiishi | Teah Chavez | 7-65, 2-6, 6-2 |  | detaliu meci | ||
| 21.10.25 | 1-a rundă | Ayumi Koshiishi | Alexandra Vagramov | 6-4, 3-6, 6-3 | | detaliu meci | ||
| 18.09.25 | a 2-a rundă | Aliona Falei | Ayumi Koshiishi | 6-1, 6-1 | | detaliu meci |  W35 Shenyang | In. Hard |
| 16.09.25 | 1-a rundă | Ayumi Koshiishi | Yidi Yang | 6-1, 6-3 | | detaliu meci | ||
| 12.03.25 | 1-a rundă | Akiko Omae | Ayumi Koshiishi | 6-2, 6-73, 6-1 | | detaliu meci |  W50 Kyoto | In. Hard |
| 30.10.24 | 1-a rundă | Kayla Cross | Ayumi Koshiishi | 6-4, 6-2 | | detaliu meci | W75+H Toronto | In. Hard |
| 28.10.24 | Calificare | Ayumi Koshiishi | Viktoria Morvayova | 6-0, 2-6, 7-65 | | detaliu meci | ||
| 27.10.24 | 1-a rundă de calif. | Ayumi Koshiishi | Camille Kiss | 6-1, 6-0 | | detaliu meci | ||
| 24.10.24 | a 2-a rundă | Stacey Fung | Ayumi Koshiishi | 6-1, 6-2 | | detaliu meci | W75+H Saguenay | In. Hard |
| 23.10.24 | 1-a rundă | Ayumi Koshiishi | Lucija Ciric Bagaric | 3-6, 6-4, 7-66 | | detaliu meci | ||
| 21.10.24 | Calificare | Ayumi Koshiishi | Love-Star Alexis | 6-1, 6-1 | | detaliu meci | ||
| 20.10.24 | 1-a rundă de calif. | Ayumi Koshiishi | Clemence Mercier | 6-2, 3-6, 6-2 | | detaliu meci | ||
| 17.10.24 | a 2-a rundă | Rebecca Marino | Ayumi Koshiishi | 6-3, 6-2 | | detaliu meci | W75+H Calgary | In. Hard |
| 15.10.24 | 1-a rundă | Ayumi Koshiishi | Mia Kupres | 7-5, 6-3 | | detaliu meci | ||
| 14.10.24 | Calificare | Ayumi Koshiishi | Anna Frey | 7-5, 6-1 | | detaliu meci | ||
| 13.10.24 | 1-a rundă de calif. | Ayumi Koshiishi | Wing Kiu Jacqueline Lam | 6-1, 6-3 | | detaliu meci | ||
| 11.02.24 | 1-a rundă de calif. | Isabelle Lacy | Ayumi Koshiishi | 6-3, 6-4 | | detaliu meci |  W50 Roehampton | In. Hard |
| 05.02.24 | Calificare | Lara Salden | Ayumi Koshiishi | 0-6, 6-1, 6-3 | | detaliu meci | W50 Edgbaston | In. Hard |
| 04.02.24 | 1-a rundă de calif. | Ayumi Koshiishi | Summer Yardley | 6-1, 6-2 | | detaliu meci | ||
| 27.11.23 | 1-a rundă | Julie Struplova | Ayumi Koshiishi | 6-4, 6-2 | | detaliu meci |  W25 Selva | In. Hard |
| 19.11.23 | Calificare | Kamilla Bartone | Ayumi Koshiishi | 6-2, 6-4 | | detaliu meci | W25 Ortisei | In. Hard |
| 14.11.22 | 1-a rundă de calif. | Ayumi Koshiishi | Yukina Saigo | 6-3, 6-2 | | detaliu meci | W60 Tokyo | In. Hard |
| 14.11.22 | Calificare | Hiromi Abe | Ayumi Koshiishi | 7-65, 6-1 | | detaliu meci | ||
| 13.02.22 | 1-a rundă de calif. | Isabelle Lacy | Ayumi Koshiishi | 6-1, 7-63 | | detaliu meci | W25 Glasgow | In. Hard |
| 08.02.22 | 1-a rundă | Nastasja Mariana Schunk | Ayumi Koshiishi | 6-2, 6-2 | | detaliu meci | W25 Birmingham | In. Hard |
| 07.02.22 | Calificare | Ayumi Koshiishi | Sofia Milatova | 6-2, 6-1 | | detaliu meci | ||
| 06.02.22 | 1-a rundă de calif. | Ayumi Koshiishi | Lauren Bishop | 6-3, 6-0 | | detaliu meci | ||
| 27.11.21 | Semifinală | Ziva Falkner | Ayumi Koshiishi | 6-4, 4-6, 6-4 | | detaliu meci |  W15 Lousada | In. Hard |
| 26.11.21 | Sfert de finală | Ayumi Koshiishi | Amandine Monnot | 6-4, 6-4 | | detaliu meci | ||
| 25.11.21 | a 2-a rundă | Ayumi Koshiishi | Kseniya Yersh | 6-2, 6-3 | | detaliu meci | ||
| 24.11.21 | 1-a rundă | Ayumi Koshiishi | Ines Murta | 6-3, 6-3 | | detaliu meci | ||
| 05.09.19 | a 2-a rundă | Michika Ozeki | Ayumi Koshiishi | 6-0, 6-3 | | detaliu meci | W25 Kyoto | In. Hard |
| 04.09.19 | 1-a rundă | Ayumi Koshiishi | Miharu Imanishi | 6-3, 6-4 | | detaliu meci | ||
| 02.09.19 | Calificare | Ayumi Koshiishi | Utaka Kishigami | 7-5, 7-64 | | detaliu meci | ||
| 01.09.19 | 1-a rundă de calif. | Ayumi Koshiishi | Hx Izabella Tan | 6-0, 6-1 | | detaliu meci | ||
| 21.02.19 | a 2-a rundă | Anastasia Zakharova | Ayumi Koshiishi | 6-4, 6-4 | | detaliu meci |  W15 Shymkent | In. Hard |
| 20.02.19 | 1-a rundă | Ayumi Koshiishi | Anastasia Astakhova | 6-2, 6-4 | | detaliu meci | ||
| 13.02.19 | 1-a rundă | Sadafmoh Tolibova | Ayumi Koshiishi | 4-6, 6-1, 6-1 | | detaliu meci | W15 Shymkent | In. Hard |
| 05.09.17 | 1-a rundă | Ramu Ueda | Ayumi Koshiishi | 6-4, 6-2 | | detaliu meci | Kyoto | In. Hard |
| 06.09.16 | 1-a rundă | Hirono Watanabe | Ayumi Koshiishi | 3-6, 7-5, 6-0 | | detaliu meci | Kyoto | In. Hard |
| 05.09.16 | 1-a rundă de calif. | Ayumi Koshiishi | Nao Shimoji | 6-1, 6-0 | | detaliu meci | ||
| 05.09.16 | Calificare | Ayumi Koshiishi | Yuriko Sakai | 6-1, 6-4 | | detaliu meci |
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