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 2021
Ayumi Koshiishi / an 2021
| 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 | ||
| 17.11.21 | 1-a rundă | Kristina Kucova | Ayumi Koshiishi | 6-1, 6-2 | | detaliu meci | W25 Funchal | Hard |
| 15.11.21 | Calificare | Ayumi Koshiishi | Yu-Chieh Hsieh | 6-3, 6-3 | | detaliu meci | ||
| 22.08.21 | Finală | Ayumi Koshiishi | Ekaterina Reyngold | 6-73, 7-62, 6-1 | | detaliu meci |  W15 Monastir | Hard |
| 21.08.21 | Semifinală | Ayumi Koshiishi | Himeno Sakatsume | 6-1, 6-1 | | detaliu meci | ||
| 20.08.21 | Sfert de finală | Ayumi Koshiishi | Aglaya Fedorova | 6-2, 6-1 | | detaliu meci | ||
| 19.08.21 | a 2-a rundă | Ayumi Koshiishi | Yuka Hosoki | 6-3, 6-1 | | detaliu meci | ||
| 18.08.21 | 1-a rundă | Ayumi Koshiishi | Hina Inoue | 6-0, 6-1 | | detaliu meci | ||
| 15.08.21 | Finală | Ayumi Koshiishi | Himeno Sakatsume | 6-3, 7-63 | | detaliu meci | W15 Monastir | Hard |
| 14.08.21 | Semifinală | Ayumi Koshiishi | Lauren Proctor | 6-2, 7-67 | | detaliu meci | ||
| 13.08.21 | Sfert de finală | Ayumi Koshiishi | Raveena Kingsley | 6-1, 6-4 | | detaliu meci | ||
| 12.08.21 | a 2-a rundă | Ayumi Koshiishi | Ramu Ueda | 6-4, 6-1 | | detaliu meci | ||
| 11.08.21 | 1-a rundă | Ayumi Koshiishi | Beatrice Laura Pirtac | 6-0, 6-0 | | detaliu meci | ||
| 07.08.21 | Semifinală | Akvile Parazinskaite | Ayumi Koshiishi | 6-2, 6-2 | | detaliu meci | W15 Monastir | Hard |
| 06.08.21 | Sfert de finală | Ayumi Koshiishi | Raveena Kingsley | 6-3, 6-3 | | detaliu meci | ||
| 05.08.21 | a 2-a rundă | Ayumi Koshiishi | Dasha Ivanova | 6-1, 6-2 | | detaliu meci | ||
| 04.08.21 | 1-a rundă | Ayumi Koshiishi | Chiraz Bechri | 6-3, 6-1 | | detaliu meci | ||
| 01.08.21 | Finală | Ayumi Koshiishi | Eliessa Vanlangendonck | 6-1, 6-0 | | detaliu meci | W15 Monastir | Hard |
| 31.07.21 | Semifinală | Ayumi Koshiishi | Jessica Failla | 6-2, 6-3 | | detaliu meci | ||
| 30.07.21 | Sfert de finală | Ayumi Koshiishi | Mariana Drazic | 6-2, 6-3 | | detaliu meci | ||
| 29.07.21 | a 2-a rundă | Ayumi Koshiishi | Olga Helmi | 6-1, 7-5 | | detaliu meci | ||
| 28.07.21 | 1-a rundă | Ayumi Koshiishi | Lauren Proctor | 6-3, 6-2 | | detaliu meci | ||
| 25.07.21 | Finală | Dalayna Hewitt | Ayumi Koshiishi | 6-4, 6-4 | | detaliu meci | W15 Monastir | Hard |
| 24.07.21 | Semifinală | Ayumi Koshiishi | Tiphanie Lemaitre | 6-4, 6-3 | | detaliu meci | ||
| 23.07.21 | Sfert de finală | Ayumi Koshiishi | Eliessa Vanlangendonck | 6-4, 6-3 | | detaliu meci | ||
| 22.07.21 | a 2-a rundă | Ayumi Koshiishi | Katarina Kozarov | 6-2, 6-1 | | detaliu meci | ||
| 21.07.21 | 1-a rundă | Ayumi Koshiishi | Giorgia Pinto | 6-0, 6-0 | | detaliu meci | ||
| 17.07.21 | Semifinală | Eliessa Vanlangendonck | Ayumi Koshiishi | 6-1, 4-6, 6-2 | | detaliu meci | W15 Monastir | Hard |
| 16.07.21 | Sfert de finală | Ayumi Koshiishi | Chiraz Bechri | 6-2, 6-4 | | detaliu meci | ||
| 15.07.21 | a 2-a rundă | Ayumi Koshiishi | Anastasia Nefedova | 3-6, 7-62, 6-3 | | detaliu meci | ||
| 14.07.21 | 1-a rundă | Ayumi Koshiishi | Paris Corley | 6-2, 6-1 | | detaliu meci | ||
| 09.07.21 | Sfert de finală | Angelica Raggi | Ayumi Koshiishi | 6-3, 6-2 | | detaliu meci | W15 Monastir | Hard |
| 08.07.21 | a 2-a rundă | Ayumi Koshiishi | Chiraz Bechri | 6-3, 6-2 | | detaliu meci | ||
| 06.07.21 | 1-a rundă | Ayumi Koshiishi | Emma Davis | 7-5, 6-0 | | detaliu meci | ||
| 29.06.21 | 1-a rundă | Elizabeth Mandlik | Ayumi Koshiishi | 1-6, 6-1, 6-4 | | detaliu meci | W15 Monastir | Hard |
| 23.05.21 | Finală | Olga Helmi | Ayumi Koshiishi | 6-3, 6-2 | | detaliu meci | W15 Monastir | Hard |
| 22.05.21 | Semifinală | Ayumi Koshiishi | Sakura Hosogi | 2-6, 6-1, 6-3 | | detaliu meci | ||
| 21.05.21 | Sfert de finală | Ayumi Koshiishi | Angelica Raggi | 6-4, 6-2 | | detaliu meci | ||
| 20.05.21 | a 2-a rundă | Ayumi Koshiishi | Chiara Scholl | 6-2, 6-3 | | detaliu meci | ||
| 19.05.21 | 1-a rundă | Ayumi Koshiishi | Jasmijn Gimbrere | 6-4, 6-1 | | detaliu meci | ||
| 11.05.21 | 1-a rundă | Erika Sema | Ayumi Koshiishi | 6-3, 7-61 | | detaliu meci | W15 Monastir | Hard |
| 07.05.21 | Sfert de finală | Miharu Imanishi | Ayumi Koshiishi | 4-6, 6-2, 6-4 | | detaliu meci | W15 Monastir | Hard |
| 06.05.21 | a 2-a rundă | Ayumi Koshiishi | Gozal Ainitdinova | 6-1, 6-1 | | detaliu meci | ||
| 05.05.21 | 1-a rundă | Ayumi Koshiishi | Irys Ekani | 6-4, 2-0, Irys Ekani - retragere | | detaliu meci | ||
| 04.05.21 | Calificare | Ayumi Koshiishi | Olivia Gram | 6-2, 6-1 | | detaliu meci | ||
| 03.05.21 | 2-a rundă de calif. | Ayumi Koshiishi | Tara Malik | 6-3, 6-4 | | detaliu meci | ||
| 03.05.21 | 1-a rundă de calif. | Ayumi Koshiishi | Giulia Sartori | 6-3, 6-1 | | detaliu meci | ||
| 29.04.21 | a 2-a rundă | Miharu Imanishi | Ayumi Koshiishi | 5-7, 6-3, 7-63 | | detaliu meci | W15 Monastir | Hard |
| 28.04.21 | 1-a rundă | Ayumi Koshiishi | Sara Akid | 6-0, 6-1 | | detaliu meci | ||
| 27.04.21 | Calificare | Ayumi Koshiishi | Olga Helmi | 4-6, 7-66, 10-6 | | detaliu meci | ||
| 26.04.21 | 1-a rundă de calif. | Ayumi Koshiishi | Giulia Carbonaro | 6-4, 5-7, 10-2 | | detaliu meci | ||
| 26.04.21 | 2-a rundă de calif. | Ayumi Koshiishi | Laura Mair | 4-6, 6-1, 10-4 | | detaliu meci | ||
| 16.02.21 | Calificare | Ane Mintegi Del Olmo | Ayumi Koshiishi | 6-4, 7-5 | | detaliu meci |  W15 Antalya | Zgura |
| 15.02.21 | 2-a rundă de calif. | Ayumi Koshiishi | Ilay Yoruk | 6-4, 6-1 | | detaliu meci | ||
| 14.02.21 | 1-a rundă de calif. | Ayumi Koshiishi | Nana Kawagishi | 7-63, 7-65 | | detaliu meci | ||
| 07.02.21 | 1-a rundă de calif. | Arianna Zucchini | Ayumi Koshiishi | 6-74, 6-4, 10-6 | | detaliu meci | W15 Antalya | Zgura |
| 03.02.21 | Calificare | Vicky Van De Peer | Ayumi Koshiishi | 6-4, 6-4 | | detaliu meci | W15 Antalya | Zgura |
| 03.02.21 | 1-a rundă | Vlada Koval | Ayumi Koshiishi | 6-3, 6-2 | | detaliu meci | ||
| 02.02.21 | 2-a rundă de calif. | Ayumi Koshiishi | Julia Kimmelmann | 4-6, 6-3, 10-7 | | detaliu meci | ||
| 01.02.21 | 1-a rundă de calif. | Ayumi Koshiishi | Beatris Spasova | 6-1, 6-2 | | detaliu meci |
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