Name: Ayumi Koshiishi
Country: Japan
Birthdate: 28.07.00, 23 years
WTA ranking: 640
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 65
Prize money: 56.564 $
Matches total: 357
Win: 227
%: 63.59 %
Country: Japan
Birthdate: 28.07.00, 23 years
WTA ranking: 640
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 65
Prize money: 56.564 $
Matches total: 357
Win: 227
%: 63.59 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 9/11 | 7/8 | 1/1 | 1/2 | 0/0 | 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 |
| TOTAL | 227/130 | 166/86 | 26/15 | 13/13 | 22/16 | 0/0 | 0/0 |
| perc. % | 63.59 % | 65.87 % | 63.41 % | 50 % | 57.89 % | 0 % | 0 % |
Ayumi Koshiishi / Fixtures
| no matches found |
Ayumi Koshiishi form / year 2023
Ayumi Koshiishi / year 2023
| 12.12.23 | qual. | Jenny Lim | Ayumi Koshiishi | 6-2, 6-3 |  | match details |  W25 Monastir | Hard |
| 11.12.23 | q 2 | Ayumi Koshiishi | Yingqun Sun | 6-0, 6-0 |  | match details | ||
| 06.12.23 | 1st round | Andreea Prisacariu | Ayumi Koshiishi | 6-3, 6-2 | | match details | W25 Monastir | Hard |
| 05.12.23 | qual. | Ayumi Koshiishi | Annelin Bakker | 6-1, 4-6, 10-8 | | match details | ||
| 04.12.23 | q 2 | Ayumi Koshiishi | Ioana Zvonaru | 1-6, 6-1, 10-8 | | match details | ||
| 27.11.23 | 1st round | Julie Struplova | Ayumi Koshiishi | 6-4, 6-2 | | match details |  W25 Selva | I. hard |
| 19.11.23 | qual. | Kamilla Bartone | Ayumi Koshiishi | 6-2, 6-4 | | match details | W25 Ortisei | I. hard |
| 16.11.23 | 2nd round | Isabella Shinikova | Ayumi Koshiishi | 7-5, 5-7, 6-2 | | match details | W25 Solarino | Carpet |
| 14.11.23 | 1st round | Ayumi Koshiishi | Pemra Ozgen | 2-6, 6-2, 6-4 | | match details | ||
| 22.10.23 | fin | Ayumi Koshiishi | Shrivalli Rashmikaa Bhamidipaty | 6-2, 6-1 | | match details |  W15 Hua | Hard |
| 21.10.23 | 1/2 | Ayumi Koshiishi | Patcharin Cheapchadej | 6-3, 1-6, 6-1 | | match details | ||
| 20.10.23 | 1/4 | Ayumi Koshiishi | Salakthip Ounmuang | 6-4, 6-3 | | match details | ||
| 19.10.23 | 2nd round | Ayumi Koshiishi | Demi Tran | 6-3, 6-1 | | match details | ||
| 18.10.23 | 1st round | Ayumi Koshiishi | Pawinee Ruamrak | 6-2, 6-0 | | match details | ||
| 03.09.23 | q 1 | Peangtarn Plipuech | Ayumi Koshiishi | 6-4, 6-0 | | match details |  W100 Tokyo | Hard |
| 21.08.23 | qual. | Daria Kudashova | Ayumi Koshiishi | 6-2, 3-6, 7-5 | | match details |  W40 Hong | Hard |
| 20.08.23 | q 1 | Ayumi Koshiishi | Kanako Morisaki | 6-4, 6-2 | | match details | ||
| 13.08.23 | fin | Ayumi Koshiishi | Aruzhan Sagandikova | 6-2, 6-2 | | match details |  W15 Ust | Hard |
| 12.08.23 | 1/2 | Ayumi Koshiishi | Sonja Zhiyenbayeva | 6-3, 6-4 | | match details | ||
| 11.08.23 | 1/4 | Ayumi Koshiishi | Anastasia Grechkina | 6-2, 1-6, 6-4 | | match details | ||
| 10.08.23 | 2nd round | Ayumi Koshiishi | Alisa Kummel | 6-4, 6-3 | | match details | ||
| 08.08.23 | 1st round | Ayumi Koshiishi | Maria Kalyakina | 7-65, 7-5 | | match details | ||
| 03.08.23 | 2nd round | Anastasia Zakharova | Ayumi Koshiishi | 6-4, 6-75, 6-2 | | match details | W25 Astana | Hard |
| 02.08.23 | 1st round | Ayumi Koshiishi | Darya Shauha | 7-66, 3-6, 6-2 | | match details | ||
| 23.07.23 | fin | Ayumi Koshiishi | Sofia Camila Rojas | 6-4, 6-2 | | match details | W15 Monastir | Hard |
| 22.07.23 | 1/2 | Ayumi Koshiishi | Katarina Kuzmova | 4-1, Katarina Kuzmova - retired | | match details | ||
| 21.07.23 | 1/4 | Ayumi Koshiishi | Sophia Biolay | 6-2, 6-2 | | match details | ||
| 20.07.23 | 2nd round | Ayumi Koshiishi | Helena Buchwald | 6-3, 2-0, Helena Buchwald - retired | | match details | ||
| 18.07.23 | 1st round | Ayumi Koshiishi | Elizaveta Shebekina | 6-1, 6-2 | | match details | ||
| 16.07.23 | fin | Ayumi Koshiishi | Camilla Zanolini | 6-0, Camilla Zanolini - retired | | match details | W15 Monastir | Hard |
| 15.07.23 | 1/2 | Ayumi Koshiishi | Lara Pfeifer | 6-1, 6-4 | | match details | ||
| 14.07.23 | 1/4 | Ayumi Koshiishi | Karine Marion Job | 6-1, 6-2 | | match details | ||
| 13.07.23 | 2nd round | Ayumi Koshiishi | Raquel Gonzalez Vilar | 6-0, 6-0 | | match details | ||
| 11.07.23 | 1st round | Ayumi Koshiishi | Margherita Marcon | 6-0, 6-4 | | match details | ||
| 07.07.23 | 1/4 | Camilla Zanolini | Ayumi Koshiishi | 6-3, 6-1 | | match details | W15 Monastir | Hard |
| 06.07.23 | 2nd round | Ayumi Koshiishi | June Bjork | 6-2, 6-3 | | match details | ||
| 05.07.23 | 1st round | Ayumi Koshiishi | Cristina Elena Tiglea | 6-2, 6-4 | | match details | ||
| 27.06.23 | 1st round | Anja Wildgruber | Ayumi Koshiishi | 1-6, 2-1, Ayumi Koshiishi - retired | | match details | W15 Monastir | Hard |
| 17.06.23 | 1/2 | Natsuki Yoshimoto | Ayumi Koshiishi | 6-0, 6-0 | | match details | W15 Kawaguchi | Hard |
| 16.06.23 | 2nd round | Ayumi Koshiishi | Rio Tsuda | 6-4, 6-1 | | match details | ||
| 16.06.23 | 1/4 | Ayumi Koshiishi | Yuika Ikawa | 6-3, 4-6, 6-1 | | match details | ||
| 14.06.23 | 1st round | Ayumi Koshiishi | Kisa Yoshioka | 7-68, 6-3 | | match details | ||
| 31.05.23 | 1st round | Yukina Saigo | Ayumi Koshiishi | 6-4, 6-1 | | match details | W25 Tokyo | Hard |
| 22.05.23 | qual. | Yi Tsen Cho | Ayumi Koshiishi | 6-2, 6-0 | | match details |  W25 Goyang | Hard |
| 21.05.23 | q 1 | Ayumi Koshiishi | Eunji Lee (2001) | 6-3, 6-3 | | match details | ||
| 15.05.23 | q 2 | Ayumi Koshiishi | Qianhui Tang | 5-7, 6-3, 10-4 | | match details | W25 Incheon | Hard |
| 15.05.23 | qual. | Yujin Ahn | Ayumi Koshiishi | 6-4, 6-3 | | match details | ||
| 10.04.23 | q 2 | Ramu Ueda | Ayumi Koshiishi | 6-3, Ayumi Koshiishi - retired | | match details | W25 Osaka | Hard |
| 09.04.23 | q 1 | Ayumi Koshiishi | Kurea Hayasaka | 7-63, 6-4 | | match details | ||
| 03.04.23 | qual. | Katarina Kozarov | Ayumi Koshiishi | 6-0, 6-3 | | match details | W25 Kashiwa | Hard |
| 02.04.23 | q 1 | Ayumi Koshiishi | Aoi Hirata | 6-3, 6-4 | | match details | ||
| 29.03.23 | 1st round | Eri Hozumi | Ayumi Koshiishi | 6-4, 6-2 | | match details | W25 Kofu | Hard |
| 26.03.23 | 1/2 | Natsumi Kawaguchi | Ayumi Koshiishi | 6-1, 6-2 | | match details | W15 Hinode | Hard |
| 24.03.23 | 1/4 | Ayumi Koshiishi | Yuka Hosoki | 5-7, 6-2, 6-0 | | match details | ||
| 23.03.23 | 2nd round | Ayumi Koshiishi | Chisa Hosonuma | 6-2, 6-1 | | match details | ||
| 22.03.23 | 1st round | Ayumi Koshiishi | Momoko Nishio | 6-4, 7-63 | | match details | ||
| 05.03.23 | fin | Ayumi Koshiishi | Hanyu Guo | 5-7, 6-2, 6-1 | | match details |  W15 Kuching | Hard |
| 04.03.23 | 1/2 | Ayumi Koshiishi | Shuo Feng | 6-0, 6-1 | | match details | ||
| 03.03.23 | 1/4 | Ayumi Koshiishi | Aoi Ito | 6-1, 7-64 | | match details | ||
| 02.03.23 | 2nd round | Ayumi Koshiishi | Kisa Yoshioka | 6-3, 6-2 | | match details | ||
| 01.03.23 | 1st round | Ayumi Koshiishi | Jo-Leen Saw | 6-2, 6-0 | | match details | ||
| 26.02.23 | fin | Hanyu Guo | Ayumi Koshiishi | 6-4, 6-3 | | match details | W15 Kuala | Hard |
| 25.02.23 | 1/2 | Ayumi Koshiishi | Aunchisa Chanta | 6-4, 7-5 | | match details | ||
| 24.02.23 | 1/4 | Ayumi Koshiishi | Riko Sawayanagi | 6-3, 7-61 | | match details | ||
| 23.02.23 | 2nd round | Ayumi Koshiishi | Meiqi Guo | 6-3, 6-1 | | match details | ||
| 21.02.23 | 1st round | Ayumi Koshiishi | Yi Tsen Cho | 0-6, 7-65, 1-0, Yi Tsen Cho - retired | | match details | ||
| 18.02.23 | 1/2 | Lanlana Tararudee | Ayumi Koshiishi | 6-4, 7-5 | | match details | W15 Ipoh | Hard |
| 17.02.23 | 1/4 | Ayumi Koshiishi | Dabin Kim | 6-2, 7-5 | | match details | ||
| 16.02.23 | 2nd round | Ayumi Koshiishi | Sara Nayar | 6-4, 6-3 | | match details | ||
| 15.02.23 | 1st round | Ayumi Koshiishi | Shanelle Iaconi | 6-2, 6-2 | | match details |
