Name: Ayumi Koshiishi
Country: Japan
Birthdate: 28.07.00, 23 years
WTA ranking: 642
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 65
Prize money: 56564 $
Matches total: 354
Win: 225
%: 63.56 %
Country: Japan
Birthdate: 28.07.00, 23 years
WTA ranking: 642
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 65
Prize money: 56564 $
Matches total: 354
Win: 225
%: 63.56 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 7/10 | 5/7 | 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 | 225/129 | 164/85 | 26/15 | 13/13 | 22/16 | 0/0 | 0/0 |
| perc. % | 63.56 % | 65.86 % | 63.41 % | 50 % | 57.89 % | 0 % | 0 % |
Ayumi Koshiishi / scheduled / last
| no matches found |
Ayumi Koshiishi form / year 2019 / surface: I. hard
Ayumi Koshiishi / year 2019 / surface: I. hard
| 05.09.19 | 2nd round | Michika Ozeki | Ayumi Koshiishi | 6-0, 6-3 |  | match details |  W25 Kyoto | I. hard |
| 04.09.19 | 1st round | Ayumi Koshiishi | Miharu Imanishi | 6-3, 6-4 |  | match details | ||
| 02.09.19 | qual. | Ayumi Koshiishi | Utaka Kishigami | 7-5, 7-64 | | match details | ||
| 01.09.19 | q 1 | Ayumi Koshiishi | Hx Izabella Tan | 6-0, 6-1 | | match details | ||
| 21.02.19 | 2nd round | Anastasia Zakharova | Ayumi Koshiishi | 6-4, 6-4 | | match details |  W15 Shymkent | I. hard |
| 20.02.19 | 1st round | Ayumi Koshiishi | Anastasia Astakhova | 6-2, 6-4 | | match details | ||
| 13.02.19 | 1st round | Sadafmoh Tolibova | Ayumi Koshiishi | 4-6, 6-1, 6-1 | | match details | W15 Shymkent | I. hard |
