Name: Ayumi Koshiishi
Country: Japan
Birthdate: 28.07.00, 23 years
WTA ranking: 622
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 68
Prize money: 56564 $
Matches total: 350
Win: 223
%: 63.71 %
Country: Japan
Birthdate: 28.07.00, 23 years
WTA ranking: 622
TOP ranking's position: 532 (23.05.22, 8200 points)
Points: 68
Prize money: 56564 $
Matches total: 350
Win: 223
%: 63.71 %
year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
2024 | 5/8 | 3/5 | 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 | 223/127 | 162/83 | 26/15 | 13/13 | 22/16 | 0/0 | 0/0 |
perc. % | 63.71 % | 66.12 % | 63.41 % | 50 % | 57.89 % | 0 % | 0 % |
Ayumi Koshiishi / scheduled / last
no matches found |
Ayumi Koshiishi form / surface: Hard
Ayumi Koshiishi / surface: Hard
24.03.24 | q 1 | Erika Sema | Ayumi Koshiishi | 6-2, 6-0 | match details | W50 Kofu | Hard | |
13.03.24 | 1st round | Dalila Jakupovic | Ayumi Koshiishi | 6-3, 6-1 | match details | W35 Indore | Hard | |
12.03.24 | qual. | Ayumi Koshiishi | Mei Hasegawa | 6-3, 6-1 | match details | |||
11.03.24 | q 2 | Ayumi Koshiishi | Laalitya Kalluri | 6-0, 6-2 | match details | |||
28.02.24 | 1st round | Sahaja Yamalapalli | Ayumi Koshiishi | 6-4, 6-2 | match details | W35 Gurugram | Hard | |
30.01.24 | qual. | Amelia Waligora | Ayumi Koshiishi | 6-4, 6-4 | match details | W35 Sharm | Hard | |
29.01.24 | q 2 | Ayumi Koshiishi | Jane Dunyon | 6-0, 6-2 | match details | |||
22.01.24 | q 2 | Saoirse Breen | Ayumi Koshiishi | 5-7, 6-3, 12-10 | match details | W35 Monastir | Hard | |
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 | |||
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 | 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 | |||
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 | |||
17.04.22 | q 1 | Ayumi Koshiishi | Ashmitha Easwaramurthi | 6-1, 6-2 | match details | |||
23.02.22 | 1st round | Mirra Andreeva | Ayumi Koshiishi | 7-60, 3-6, 7-62 | match details | W15 Sharm | Hard | |
24.01.22 | q 2 | Anna Turati | Ayumi Koshiishi | 7-64, 6-4 | match details | W25 Manacor | Hard | |
23.01.22 | q 1 | Ayumi Koshiishi | Cristina Diaz Adrover | 6-1, 6-1 | match details | |||
17.01.22 | q 2 | Ashley Lahey | Ayumi Koshiishi | 6-3, 3-6, 10-7 | match details | W25 Manacor | Hard | |
16.01.22 | q 1 | Ayumi Koshiishi | Milan Krish | 6-1, 6-0 | match details | |||
17.11.21 | 1st round | Kristina Kucova | Ayumi Koshiishi | 6-1, 6-2 | match details | W25 Funchal | Hard | |
15.11.21 | qual. | Ayumi Koshiishi | Yu-Chieh Hsieh | 6-3, 6-3 | match details | |||
22.08.21 | fin | Ayumi Koshiishi | Ekaterina Reyngold | 6-73, 7-62, 6-1 | match details | W15 Monastir | Hard | |
21.08.21 | 1/2 | Ayumi Koshiishi | Himeno Sakatsume | 6-1, 6-1 | match details | |||
20.08.21 | 1/4 | Ayumi Koshiishi | Aglaya Fedorova | 6-2, 6-1 | match details | |||
19.08.21 | 2nd round | Ayumi Koshiishi | Yuka Hosoki | 6-3, 6-1 | match details | |||
18.08.21 | 1st round | Ayumi Koshiishi | Hina Inoue | 6-0, 6-1 | match details | |||
15.08.21 | fin | Ayumi Koshiishi | Himeno Sakatsume | 6-3, 7-63 | match details | W15 Monastir | Hard | |
14.08.21 | 1/2 | Ayumi Koshiishi | Lauren Proctor | 6-2, 7-67 | match details | |||
13.08.21 | 1/4 | Ayumi Koshiishi | Raveena Kingsley | 6-1, 6-4 | match details | |||
12.08.21 | 2nd round | Ayumi Koshiishi | Ramu Ueda | 6-4, 6-1 | match details | |||
11.08.21 | 1st round | Ayumi Koshiishi | Beatrice Laura Pirtac | 6-0, 6-0 | match details | |||
07.08.21 | 1/2 | Akvile Parazinskaite | Ayumi Koshiishi | 6-2, 6-2 | match details | W15 Monastir | Hard | |
06.08.21 | 1/4 | Ayumi Koshiishi | Raveena Kingsley | 6-3, 6-3 | match details | |||
05.08.21 | 2nd round | Ayumi Koshiishi | Dasha Ivanova | 6-1, 6-2 | match details | |||
04.08.21 | 1st round | Ayumi Koshiishi | Chiraz Bechri | 6-3, 6-1 | match details | |||
01.08.21 | fin | Ayumi Koshiishi | Eliessa Vanlangendonck | 6-1, 6-0 | match details | W15 Monastir | Hard | |
31.07.21 | 1/2 | Ayumi Koshiishi | Jessica Failla | 6-2, 6-3 | match details | |||
30.07.21 | 1/4 | Ayumi Koshiishi | Mariana Drazic | 6-2, 6-3 | match details | |||
29.07.21 | 2nd round | Ayumi Koshiishi | Olga Helmi | 6-1, 7-5 | match details | |||
28.07.21 | 1st round | Ayumi Koshiishi | Lauren Proctor | 6-3, 6-2 | match details | |||
25.07.21 | fin | Dalayna Hewitt | Ayumi Koshiishi | 6-4, 6-4 | match details | W15 Monastir | Hard | |
24.07.21 | 1/2 | Ayumi Koshiishi | Tiphanie Lemaitre | 6-4, 6-3 | match details | |||
23.07.21 | 1/4 | Ayumi Koshiishi | Eliessa Vanlangendonck | 6-4, 6-3 | match details | |||
22.07.21 | 2nd round | Ayumi Koshiishi | Katarina Kozarov | 6-2, 6-1 | match details | |||
21.07.21 | 1st round | Ayumi Koshiishi | Giorgia Pinto | 6-0, 6-0 | match details | |||
17.07.21 | 1/2 | Eliessa Vanlangendonck | Ayumi Koshiishi | 6-1, 4-6, 6-2 | match details | W15 Monastir | Hard | |
16.07.21 | 1/4 | Ayumi Koshiishi | Chiraz Bechri | 6-2, 6-4 | match details | |||
15.07.21 | 2nd round | Ayumi Koshiishi | Anastasia Nefedova | 3-6, 7-62, 6-3 | match details | |||
14.07.21 | 1st round | Ayumi Koshiishi | Paris Corley | 6-2, 6-1 | match details | |||
09.07.21 | 1/4 | Angelica Raggi | Ayumi Koshiishi | 6-3, 6-2 | match details | W15 Monastir | Hard | |
08.07.21 | 2nd round | Ayumi Koshiishi | Chiraz Bechri | 6-3, 6-2 | match details | |||
06.07.21 | 1st round | Ayumi Koshiishi | Emma Davis | 7-5, 6-0 | match details | |||
29.06.21 | 1st round | Elizabeth Mandlik | Ayumi Koshiishi | 1-6, 6-1, 6-4 | match details | W15 Monastir | Hard | |
23.05.21 | fin | Olga Helmi | Ayumi Koshiishi | 6-3, 6-2 | match details | W15 Monastir | Hard | |
22.05.21 | 1/2 | Ayumi Koshiishi | Sakura Hosogi | 2-6, 6-1, 6-3 | match details | |||
21.05.21 | 1/4 | Ayumi Koshiishi | Angelica Raggi | 6-4, 6-2 | match details | |||
20.05.21 | 2nd round | Ayumi Koshiishi | Chiara Scholl | 6-2, 6-3 | match details | |||
19.05.21 | 1st round | Ayumi Koshiishi | Jasmijn Gimbrere | 6-4, 6-1 | match details | |||
11.05.21 | 1st round | Erika Sema | Ayumi Koshiishi | 6-3, 7-61 | match details | W15 Monastir | Hard | |
07.05.21 | 1/4 | Miharu Imanishi | Ayumi Koshiishi | 4-6, 6-2, 6-4 | match details | W15 Monastir | Hard | |
06.05.21 | 2nd round | Ayumi Koshiishi | Gozal Ainitdinova | 6-1, 6-1 | match details | |||
05.05.21 | 1st round | Ayumi Koshiishi | Irys Ekani | 6-4, 2-0, Irys Ekani - retired | match details | |||
04.05.21 | qual. | Ayumi Koshiishi | Olivia Gram | 6-2, 6-1 | match details | |||
03.05.21 | q 1 | Ayumi Koshiishi | Giulia Sartori | 6-3, 6-1 | match details | |||
03.05.21 | q 2 | Ayumi Koshiishi | Tara Malik | 6-3, 6-4 | match details | |||
29.04.21 | 2nd round | Miharu Imanishi | Ayumi Koshiishi | 5-7, 6-3, 7-63 | match details | W15 Monastir | Hard | |
28.04.21 | 1st round | Ayumi Koshiishi | Sara Akid | 6-0, 6-1 | match details | |||
27.04.21 | qual. | Ayumi Koshiishi | Olga Helmi | 4-6, 7-66, 10-6 | match details | |||
26.04.21 | q 2 | Ayumi Koshiishi | Laura Mair | 4-6, 6-1, 10-4 | match details | |||
26.04.21 | q 1 | Ayumi Koshiishi | Giulia Carbonaro | 6-4, 5-7, 10-2 | match details | |||
23.02.20 | q 1 | Alana Parnaby | Ayumi Koshiishi | 2-6, 6-4, 17-15 | match details | W25 Perth | Hard | |
18.02.20 | qual. | Alicia Smith | Ayumi Koshiishi | 7-5, 7-62 | match details | W25 Perth | Hard | |
17.02.20 | q 2 | Ayumi Koshiishi | Lara Tovich | 6-0, 6-0 | match details | |||
16.02.20 | q 1 | Ayumi Koshiishi | Luna Jokanovic | 6-1, 6-4 | match details | |||
30.01.20 | 2nd round | Margot Yerolymos | Ayumi Koshiishi | 6-2, 6-3 | match details | W15 Manacor | Hard | |
29.01.20 | 1st round | Ayumi Koshiishi | Fiona Ganz | 6-1, 6-4 | match details | |||
28.01.20 | qual. | Ayumi Koshiishi | Eun Ji Lee | 6-0, 6-1 | match details | |||
27.01.20 | q 2 | Ayumi Koshiishi | Jerricka Boone | 6-4, 6-4 | match details | |||
26.01.20 | q 1 | Ayumi Koshiishi | Nina Ugrelidze | 6-1, 6-2 | match details | |||
23.01.20 | q 2 | Ayumi Koshiishi | Haine Ogata | 6-1, 6-3 | match details | W15 Manacor | Hard | |
23.01.20 | qual. | Ayumi Koshiishi | Kathleen Kanev | 6-4, 6-1 | match details | |||
23.01.20 | 1st round | Celia Cervino Ruiz | Ayumi Koshiishi | 6-0, 7-65 | match details | |||
22.01.20 | q 1 | Ayumi Koshiishi | Jillian Louise Roa | 6-2, 6-1 | match details | |||
16.10.19 | 1st round | Sakura Hosogi | Ayumi Koshiishi | 4-0, Ayumi Koshiishi - retired | match details | W15 Hua | Hard | |
10.10.19 | 2nd round | Patcharin Cheapchadej | Ayumi Koshiishi | 6-1, 6-3 | match details | W15 Hua | Hard | |
09.10.19 | 1st round | Ayumi Koshiishi | Mananchaya Sawangkaew | 6-2, 6-3 | match details | |||
19.08.19 | q 1 | Yui Chikaraishi | Ayumi Koshiishi | 2-6, 6-2, 10-7 | match details | W25 Tsukuba | Hard | |
30.07.19 | qual. | Yidi Yang | Ayumi Koshiishi | 6-0, 6-2 | match details | W25 Nonthaburi | Hard | |
29.07.19 | q 1 | Ayumi Koshiishi | Thasaporn Naklo | 6-3, 6-4 | match details | |||
23.07.19 | qual. | Michika Ozeki | Ayumi Koshiishi | 6-2, 6-4 | match details | W25 Nonthaburi | Hard | |
22.07.19 | q 1 | Ayumi Koshiishi | Ho Ching Wu | 6-3, 6-2 | match details | |||
20.06.19 | 2nd round | Sunam Jeong | Ayumi Koshiishi | 6-2, 7-60 | match details | W15 Gimcheon | Hard | |
19.06.19 | 1st round | Ayumi Koshiishi | Honoka Kobayashi | 4-6, 6-4, 6-4 | match details | |||
14.06.19 | 1/4 | Misaki Matsuda | Ayumi Koshiishi | 7-5, 6-74, 6-3 | match details | W15 Gimcheon | Hard | |
13.06.19 | 2nd round | Ayumi Koshiishi | Shou Na Mu | 7-5, 6-3 | match details | |||
12.06.19 | 1st round | Ayumi Koshiishi | Dayeon Back | 7-5, 6-2 | match details | |||
05.06.19 | qual. | Ayumi Koshiishi | So-Ra Lee | 7-5, 6-2 | match details | W25 Daegu | Hard | |
04.06.19 | 1st round | Na-Lae Han | Ayumi Koshiishi | 6-3, 4-1, Ayumi Koshiishi - retired | match details | |||
03.06.19 | q 1 | Ayumi Koshiishi | Yeong Won Jeong | 4-1, Yeong Won Jeong - retired | match details | |||
28.05.19 | qual. | Ayumi Koshiishi | Wanning Zhu | 6-0, 6-1 | match details | W25 Luzhou | Hard | |
28.05.19 | 1st round | Jessica Ho | Ayumi Koshiishi | 6-3, 6-1 | match details | |||
21.05.19 | qual. | Chang Liu | Ayumi Koshiishi | 6-3, 4-6, 10-8 | match details | W25 Goyang | Hard | |
20.05.19 | q 1 | Ayumi Koshiishi | Hyeran Yun | 6-4, 6-3 | match details | |||
14.05.19 | qual. | Dabin Oh | Ayumi Koshiishi | 3-6, 6-3, 10-5 | match details | W25 Changwon | Hard | |
13.05.19 | q 1 | Ayumi Koshiishi | Si On Park | 6-0, 6-1 | match details | |||
08.04.19 | q 1 | Mihika Yadav | Ayumi Koshiishi | 3-6, 6-2, 10-4 | match details | W25 Hong | Hard | |
22.03.19 | 1/4 | Eudice Wong Chong | Ayumi Koshiishi | 6-2, 6-3 | match details | W15 Xiamen | Hard | |
21.03.19 | 2nd round | Ayumi Koshiishi | Qianhui Tang | 7-5, 6-74, 3-0, Qianhui Tang - retired | match details | |||
20.03.19 | 1st round | Ayumi Koshiishi | Ashmitha Easwaramurthi | 6-0, 6-1 | match details | |||
28.10.18 | q 1 | Masa Jovanovic | Ayumi Koshiishi | 7-5, 4-6, 6-4 | match details | Canberra | Hard | |
21.10.18 | q 1 | Marianna Zakarlyuk | Ayumi Koshiishi | 4-6, 6-0, 7-65 | match details | Bendigo | Hard | |
20.08.18 | qual. | Nagi Hanatani | Ayumi Koshiishi | 6-2, 7-60 | match details | Tsukuba | Hard | |
19.08.18 | q 1 | Ayumi Koshiishi | Ange Oby Kajuru | 6-1, 6-4 | match details | |||
11.08.18 | q 1 | Punnin Kovapitukted | Ayumi Koshiishi | 6-2, 6-2 | match details | Nonthaburi | Hard | |
06.08.18 | 1st round | Lou Brouleau | Ayumi Koshiishi | 6-1, 6-3 | match details | Nonthaburi | Hard | |
05.08.18 | qual. | Ayumi Koshiishi | Michika Ozeki | 6-70, 7-5, 6-3 | match details | |||
04.08.18 | q 1 | Ayumi Koshiishi | Jia Qi Ren | 6-1, 1-6, 6-2 | match details | |||
26.07.18 | 2nd round | Hua-Chen Lee | Ayumi Koshiishi | 6-3, 6-0 | match details | Taipei | Hard | |
24.07.18 | 1st round | Ayumi Koshiishi | Ting-Pei Chang | 6-2, 6-1 | match details | |||
13.07.18 | 1/2 | Sakura Hosogi | Ayumi Koshiishi | 3-6, 6-4, 6-3 | match details | Hong Kong | Hard | |
12.07.18 | 1/4 | Ayumi Koshiishi | Zeel Desai | 7-5, 6-1 | match details | |||
11.07.18 | 2nd round | Ayumi Koshiishi | Prerna Bhambri | 6-2, 6-2 | match details | |||
10.07.18 | 1st round | Ayumi Koshiishi | Haine Ogata | 6-1, 6-4 | match details | |||
10.06.18 | qual. | Deria Nur Haliza | Ayumi Koshiishi | 1-6, 6-4, 6-3 | match details | Singapore | Hard | |
09.06.18 | q 1 | Ayumi Koshiishi | Greeshma Sai Vignatha Kamisetty | 6-0, 6-0 | match details | |||
04.06.18 | 1st round | Hiroko Kuwata | Ayumi Koshiishi | 7-63, 6-710, 6-4 | match details | Singapore | Hard | |
03.06.18 | qual. | Ayumi Koshiishi | Khee Yen Wee | 6-3, 6-1 | match details | |||
02.06.18 | q 1 | Ayumi Koshiishi | Sarah Pang | 6-0, 6-0 | match details | |||
24.05.18 | 2nd round | Ya-Hsuan Lee | Ayumi Koshiishi | 6-4, 6-3 | match details | Changwon | Hard | |
23.05.18 | 1st round | Ayumi Koshiishi | Dabin Kim | 6-1, 6-3 | match details | |||
22.05.18 | qual. | Ayumi Koshiishi | Chang Liu | 6-1, 6-3 | match details | |||
21.05.18 | q 2 | Ayumi Koshiishi | Jeong Moon | 6-3, 6-2 | match details | |||
20.05.18 | q 1 | Ayumi Koshiishi | Hyojin Kong | 6-3, 6-3 | match details | |||
16.05.18 | 1st round | Na-Lae Han | Ayumi Koshiishi | 6-1, 6-73, 6-2 | match details | Incheon | Hard | |
15.05.18 | qual. | Ayumi Koshiishi | Eunhye Lee | 6-3, 3-6, 6-1 | match details | |||
14.05.18 | q 2 | Ayumi Koshiishi | Seo-Kyung Kang | 6-0, 6-2 | match details | |||
13.05.18 | q 1 | Ayumi Koshiishi | Freya Christie | 6-4, 6-2 | match details | |||
09.05.18 | 1st round | So-Ra Lee | Ayumi Koshiishi | 7-62, 6-3 | match details | Goyang | Hard | |
08.05.18 | qual. | Ayumi Koshiishi | Yexin Ma | 6-4, 6-3 | match details | |||
07.05.18 | q 2 | Ayumi Koshiishi | Jin Yoo | 6-3, 6-3 | match details | |||
29.04.18 | q 2 | Tammi Patterson | Ayumi Koshiishi | 6-3, 3-0, Ayumi Koshiishi - retired | match details | Gifu | Hard | |
29.04.18 | q 1 | Ayumi Koshiishi | Yuka Asano | 6-3, 6-1 | match details | |||
07.04.18 | q 1 | Akiko Omae | Ayumi Koshiishi | 6-3, 6-2 | match details | Osaka | Hard | |
25.03.18 | q 2 | Ksenia Lykina | Ayumi Koshiishi | 7-5, 6-75, 6-3 | match details | Kofu | Hard | |
24.03.18 | q 1 | Ayumi Koshiishi | Haruna Arakawa | 7-5, 6-4 | match details | |||
17.03.18 | q 1 | Kei Kato | Ayumi Koshiishi | 7-5, 6-4 | match details | Nishi Tama | Hard | |
10.03.18 | q 1 | Ji-Hee Choi | Ayumi Koshiishi | 4-6, 6-3, 6-2 | match details | Toyota | Hard | |
01.01.18 | 1st round | Risa Ushijima | Ayumi Koshiishi | 6-1, 3-6, 7-5 | match details | Hong Kong | Hard | |
31.12.17 | qual. | Ayumi Koshiishi | Pinyi Zuo | 6-1, 6-0 | match details | |||
30.12.17 | q 1 | Ayumi Koshiishi | Ashmitha Easwaramurthi | 6-0, 6-2 | match details | |||
27.12.17 | 2nd round | Ling Zhang | Ayumi Koshiishi | 6-4, 6-3 | match details | Hong Kong | Hard | |
25.12.17 | 1st round | Ayumi Koshiishi | Yuqi Sheng | 7-68, 6-2 | match details | |||
24.12.17 | qual. | Ayumi Koshiishi | Dariya Detkovskaya | 7-5, 6-2 | match details | |||
23.12.17 | q 1 | Ayumi Koshiishi | Angela Wingshan Sou | 6-0, 6-0 | match details | |||
06.11.17 | q 2 | Naomi Cheong | Ayumi Koshiishi | 7-65, 6-1 | match details | Tokyo | Hard | |
06.11.17 | q 1 | Ayumi Koshiishi | Mitsumi Kawasaki | 6-4, 5-7, 6-4 | match details | |||
21.08.17 | q 1 | Aiko Yoshitomi | Ayumi Koshiishi | 7-5, 4-6, 6-3 | match details | Tsukuba | Hard | |
22.03.17 | 1st round | Risa Ushijima | Ayumi Koshiishi | 6-1, 6-1 | match details | Nishi Tama | Hard | |
20.03.17 | qual. | Ayumi Koshiishi | Eri Shimizu | 6-3, 7-5 | match details | |||
20.03.17 | q 1 | Ayumi Koshiishi | Nina Stadler | 0-6, 7-66, 6-3 | match details | |||
20.03.17 | q 2 | Ayumi Koshiishi | Robu Kajitani | 1-6, 6-0, 6-3 | match details | |||
06.03.17 | q 1 | Haruka Kaji | Ayumi Koshiishi | 4-6, 6-1, 6-4 | match details | Yokohama | Hard | |
26.09.16 | qual. | Akari Inoue | Ayumi Koshiishi | 7-64, 7-5 | match details | Iizuka | Hard | |
26.09.16 | q 1 | Ayumi Koshiishi | Megumi Nishimoto | 6-3, 6-4 | match details | |||
22.08.16 | q 1 | Nudnida Luangnam | Ayumi Koshiishi | 6-2, 6-1 | match details | Tsukuba | Hard | |
21.03.16 | q 1 | Ayumi Mori | Ayumi Koshiishi | 2-6, 7-66, 6-0 | match details | Nishi Tama | Hard |