General Statistics - Koshiishi, Ayumi
562
Rank
100 - 40
Wins-Losses
449 (2025)
Highest ranking
General Statistics - Okuno, Ayaka
-
Rank
8 - 8
Wins-Losses
286 (2015)
Highest ranking
Ranking - Koshiishi, Ayumi
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2025 | 449 | 0/1 | - | 0/1 | - | - | - |
| 2024 | 472 | 45/30 | 1/1 | 35/24 | 9/5 | - | - |
| 2023 | 562 | 50/20 | - | 50/18 | 0/2 | - | - |
| 2022 | 765 | 19/12 | - | 16/9 | 3/3 | - | - |
| 2021 | 579 | 48/15 | 4/4 | 41/10 | 3/1 | - | - |
| 2020 | 873 | 25/9 | 16/5 | 9/4 | - | - | - |
| 2019 | 856 | 22/23 | 5/5 | 13/15 | 4/3 | - | - |
| 2018 | 616 | 28/21 | - | 28/21 | - | - | - |
| 2017 | 1001 | 15/12 | - | 15/10 | 0/2 | - | - |
| 2016 | 1034 | 10/7 | - | 5/4 | 3/2 | 2/1 | - |
| Summary | 262/150 | 26/15 | 212/116 | 22/18 | 2/1 | 0/0 |
Ranking - Okuno, Ayaka
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2023 | - | 4/4 | 0/1 | 4/3 | - | - | - |
| 2022 | - | 2/11 | 1/4 | 1/7 | - | - | - |
| 2021 | 950 | 2/6 | 1/2 | 1/4 | - | - | - |
| 2020 | 768 | 8/7 | 4/4 | 3/2 | 1/1 | - | - |
| 2019 | 777 | 23/32 | 9/9 | 14/23 | - | - | - |
| 2018 | 717 | 18/31 | 1/2 | 16/26 | 1/3 | - | - |
| 2017 | 546 | 19/31 | 8/5 | 11/24 | 0/2 | - | - |
| 2016 | 438 | 17/35 | 0/3 | 13/26 | 1/2 | 3/4 | - |
| 2015 | 286 | 31/27 | 3/2 | 17/17 | 5/3 | 6/5 | - |
| 2014 | - | 36/25 | 1/2 | 27/20 | 7/2 | 1/1 | - |
| 2013 | 390 | 1/5 | - | 1/4 | 0/1 | - | - |
| Summary | 161/214 | 28/34 | 108/156 | 15/14 | 10/10 | 0/0 |
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