Nume: Ayumi Koshiishi
Ţara: Japonia
Data naşterii: 28.07.00, 24 Vârsta
Clasament WTA: 408
TOP poziţie în clasament: 408 (21.04.25, 13700 puncte)
Puncte: 137
Premii: 74108 $
Total meciuri: 437
Victorii: 276
Succes: 63.16 %
Ţara: Japonia
Data naşterii: 28.07.00, 24 Vârsta
Clasament WTA: 408
TOP poziţie în clasament: 408 (21.04.25, 13700 puncte)
Puncte: 137
Premii: 74108 $
Total meciuri: 437
Victorii: 276
Succes: 63.16 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 2025 | 13/11 | 13/10 | 0/0 | 0/1 | 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 | 276/161 | 206/111 | 26/15 | 21/17 | 23/18 | 0/0 | 0/0 |
| succes % | 63.16 % | 64.98 % | 63.41 % | 55.26 % | 56.1 % | 0 % | 0 % |
Ayumi Koshiishi / nejucate / ultimele
| 23.04.25 10:00 | 1-a rundă | Wakana Sonobe  | Ayumi Koshiishi | 6-4, 6-1 | detaliu meci |  W100 Tokyo | Hard |
Ayumi Koshiishi form
Ayumi Koshiishi / ultimele 50 meciuri
| 23.04.25 | 1-a rundă | Wakana Sonobe | Ayumi Koshiishi | 6-4, 6-1 |  | detaliu meci | W100 Tokyo | Hard |
| 22.04.25 | Calificare | Eri Shimizu | Ayumi Koshiishi | 6-3, 6-3 | | detaliu meci | ||
| 21.04.25 | 1-a rundă de calif. | Ayumi Koshiishi | Su Jeong Jang | 2-6, 6-1, 6-1 |  | detaliu meci | ||
| 09.04.25 | 1-a rundă | Yexin Ma | Ayumi Koshiishi | 3-6, 6-4, 6-1 | | detaliu meci | W35 Osaka | Hard |
| 07.04.25 | 2-a rundă de calif. | Ayumi Koshiishi | Yui Chikaraishi | 6-4, 6-2 | | detaliu meci | ||
| 07.04.25 | Calificare | Ayumi Koshiishi | Natsuki Yoshimoto | 6-1, 6-4 | | detaliu meci | ||
| 18.03.25 | 1-a rundă | Kyoka Okamura | Ayumi Koshiishi | 6-3, 6-3 | | detaliu meci | W50 Kofu | Hard |
| 12.03.25 | 1-a rundă | Akiko Omae | Ayumi Koshiishi | 6-2, 6-73, 6-1 | | detaliu meci | W50 Kyoto | In. Hard |
| 28.02.25 | Sfert de finală | Sakura Hosogi | Ayumi Koshiishi | 7-65, 6-3 | | detaliu meci |  W35 Launceston | Hard |
| 27.02.25 | a 2-a rundă | Ayumi Koshiishi | Miho Kuramochi | 6-2, 1-6, 7-66 | | detaliu meci | ||
| 25.02.25 | 1-a rundă | Ayumi Koshiishi | Alana Parnaby | 7-5, 6-2 | | detaliu meci | ||
| 21.02.25 | Sfert de finală | Jaimee Fourlis | Ayumi Koshiishi | 6-4, 6-1 | | detaliu meci | W35 Burnie | Hard |
| 20.02.25 | a 2-a rundă | Ayumi Koshiishi | Alicia Dale | 7-5, 6-4 | | detaliu meci | ||
| 18.02.25 | 1-a rundă | Ayumi Koshiishi | Elena Micic | 5-7, 6-3, 6-1 | | detaliu meci | ||
| 13.02.25 | a 2-a rundă | Miho Kuramochi | Ayumi Koshiishi | 7-5, 6-3 | | detaliu meci |  W35 Timaru | Hard |
| 12.02.25 | 1-a rundă | Ayumi Koshiishi | Monique Barry | 6-2, 6-2 | | detaliu meci | ||
| 03.02.25 | Calificare | Mingge Xu | Ayumi Koshiishi | 6-1, 6-3 | | detaliu meci | W75 Brisbane | Hard |
| 02.02.25 | 1-a rundă de calif. | Ayumi Koshiishi | Alicia Smith | 5-2, Alicia Smith - retragere | | detaliu meci | ||
| 13.01.25 | Calificare | Georgia Andreea Craciun | Ayumi Koshiishi | 7-60, 7-68 | | detaliu meci |  W50 New | Hard |
| 12.01.25 | 1-a rundă de calif. | Ayumi Koshiishi | Eva Garkusha | 6-1, 6-1 | | detaliu meci | ||
| 09.01.25 | a 2-a rundă | Xinxin Yao | Ayumi Koshiishi | 6-0, 6-1 | | detaliu meci |  W75 Nonthaburi | Hard |
| 08.01.25 | 1-a rundă | Ayumi Koshiishi | Eudice Wong Chong | 6-2, 4-6, 6-4 | | detaliu meci | ||
| 06.01.25 | Calificare | Ayumi Koshiishi | Lunda Kumhom | 6-0, 6-0 | | detaliu meci | ||
| 05.01.25 | 1-a rundă de calif. | Ayumi Koshiishi | Meiling Wang | 6-3, 6-0 | | detaliu meci | ||
| 30.12.24 | 1-a rundă de calif. | Saki Imamura | Ayumi Koshiishi | 6-3, 6-2 | | detaliu meci | W75 Nonthaburi | Hard |
| 25.11.24 | Calificare | Kayo Nishimura | Ayumi Koshiishi | 6-4, 6-1 | | detaliu meci | W50 Yokohama | Hard |
| 24.11.24 | 1-a rundă de calif. | Ayumi Koshiishi | Honoka Kobayashi | 7-5, 1-6, 6-2 | | detaliu meci | ||
| 18.11.24 | 1-a rundă de calif. | Honoka Kobayashi | Ayumi Koshiishi | 7-68, 6-4 | | detaliu meci | W100 Takasaki | 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 | ||
| 19.09.24 | a 2-a rundă | Talia Gibson | Ayumi Koshiishi | 6-1, 3-6, 6-2 | | detaliu meci | W75 Perth | Hard |
| 17.09.24 | 1-a rundă | Ayumi Koshiishi | Sakura Hosogi | 4-6, 6-2, 6-4 | | detaliu meci | ||
| 16.09.24 | Calificare | Ayumi Koshiishi | Carolann Delaunay | 6-0, 6-0 | | detaliu meci | ||
| 15.09.24 | 1-a rundă de calif. | Ayumi Koshiishi | Madison Frahn | 6-4, 6-0 | | detaliu meci | ||
| 11.09.24 | 1-a rundă | Aoi Ito | Ayumi Koshiishi | 7-5, 6-1 | | detaliu meci | W75 Perth | Hard |
| 09.09.24 | Calificare | Ayumi Koshiishi | Viktoria Morvayova | 7-5, 6-0 | | detaliu meci | ||
| 08.09.24 | 1-a rundă de calif. | Ayumi Koshiishi | Mahta Khanloo | 6-0, 6-3 | | detaliu meci | ||
| 06.09.24 | Sfert de finală | Aoi Ito | Ayumi Koshiishi | 6-1, 1-6, 6-2 | | detaliu meci |  W100 Incheon | Hard |
| 05.09.24 | a 2-a rundă | Ayumi Koshiishi | Ayano Shimizu | 6-2, 6-1 | | detaliu meci | ||
| 04.09.24 | 1-a rundă | Ayumi Koshiishi | Arianne Hartono | 6-2, 6-3 | | detaliu meci | ||
| 02.09.24 | Calificare | Ayumi Koshiishi | Jimin Kwon | 6-3, 6-1 | | detaliu meci |
Pariați responsabil.