Name: Ayumi Koshiishi
Country: Japan
Birthdate: 28.07.00, 22 years
WTA ranking: 753
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 36
Prize money: 36.909 $
Matches total: 295
Win: 187
%: 63.39 %
Country: Japan
Birthdate: 28.07.00, 22 years
WTA ranking: 753
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 36
Prize money: 36.909 $
Matches total: 295
Win: 187
%: 63.39 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 19/9 | 19/9 | 0/0 | 0/0 | 0/0 | 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 | 187/108 | 129/70 | 25/14 | 12/9 | 21/15 | 0/0 | 0/0 |
| perc. % | 63.39 % | 64.82 % | 64.1 % | 57.14 % | 58.33 % | 0 % | 0 % |
Ayumi Koshiishi / Fixtures
| no matches found |
Ayumi Koshiishi form
Ayumi Koshiishi / Latest Scores
| 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 | qual. | Yujin Ahn | Ayumi Koshiishi | 6-4, 6-3 | | match details | W25 Incheon | Hard |
| 15.05.23 | q 2 | Ayumi Koshiishi | Qianhui Tang | 5-7, 6-3, 10-4 | | 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 | ||
| 14.11.22 | q 1 | Ayumi Koshiishi | Yukina Saigo | 6-3, 6-2 | | match details | W60 Tokyo | I. hard |
| 14.11.22 | qual. | Hiromi Abe | Ayumi Koshiishi | 7-65, 6-1 | | match details | ||
| 13.10.22 | 2nd round | Eri Shimizu | Ayumi Koshiishi | 3-6, 6-4, 6-2 | | match details | W25 Hamamatsu | Carpet |
| 12.10.22 | 1st round | Ayumi Koshiishi | Chihiro Muramatsu | 6-3, 3-6, 7-5 | | match details | ||
| 21.05.22 | 1/2 | Ayumi Morita | Ayumi Koshiishi | 6-3, 6-3 | | match details |  W15 Monastir | Hard |
| 20.05.22 | 1/4 | Ayumi Koshiishi | Anja Wildgruber | 6-3, 6-2 | | match details | ||
| 19.05.22 | 2nd round | Ayumi Koshiishi | Sijia Wei | 6-4, 6-1 | | match details | ||
| 18.05.22 | 1st round | Ayumi Koshiishi | Yu Shan | 6-2, 6-4 | | match details | ||
| 15.05.22 | fin | Fangzhou Liu | Ayumi Koshiishi | 6-4, 7-5 | | match details | W15 Monastir | Hard |
| 14.05.22 | 1/2 | Ayumi Koshiishi | Aleksandra Pospelova | 6-1, 6-4 | | match details | ||
| 12.05.22 | 2nd round | Ayumi Koshiishi | Milana Zhabrailova | 6-2, 3-6, 6-1 | | match details | ||
| 12.05.22 | 1/4 | Ayumi Koshiishi | Chiraz Bechri | Chiraz Bechri - walk over | | match details | ||
| 11.05.22 | 1st round | Ayumi Koshiishi | Niditra Rajmohan | 2-0, Niditra Rajmohan - retired | | match details | ||
| 06.05.22 | 1/4 | Adithya Karunaratne | Ayumi Koshiishi | 2-6, 6-0, 6-1 | | match details | W25 Monastir | Hard |
| 05.05.22 | 2nd round | Ayumi Koshiishi | Jia-Jing Lu | 7-64, 3-6, 6-3 | | match details | ||
| 04.05.22 | 1st round | Ayumi Koshiishi | Emilie Lindh Gallagher | 5-7, 6-3, 6-1 | | match details | ||
| 27.04.22 | 1st round | Meiling Wang | Ayumi Koshiishi | 7-65, 6-0 | | match details | W25 Monastir | Hard |
| 26.04.22 | qual. | Ayumi Koshiishi | Yasmine Mansouri | 6-2, 6-3 | | match details | ||
| 25.04.22 | q 2 | Ayumi Koshiishi | Sahaja Yamalapalli | 6-4, 6-1 | | match details | ||
| 20.04.22 | 1st round | Vitalia Diatchenko | Ayumi Koshiishi | 6-75, 6-3, 6-2 | | match details | W25 Monastir | Hard |
| 19.04.22 | qual. | Ayumi Koshiishi | Xinxin Yao | 6-4, 6-2 | | match details | ||
| 18.04.22 | q 2 | Ayumi Koshiishi | Maria Navarro Oliva | 7-63, 7-62 | | match details |
