General Statistics - Akita, Shiho
491
Rank
86 - 48
Wins-Losses
250 (2016)
Highest ranking
General Statistics - Yuan, Chengyiyi
601
Rank
64 - 72
Wins-Losses
601 (2024)
Highest ranking
Ranking - Akita, Shiho
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2024 | 491 | 43/24 | 4/4 | 39/20 | - | - | - |
| 2023 | 646 | 20/21 | - | 15/19 | 2/1 | 3/1 | - |
| 2022 | 891 | 8/8 | 3/2 | 5/6 | - | - | - |
| 2021 | 410 | 16/18 | 3/3 | 12/13 | 1/2 | - | - |
| 2020 | 405 | 16/2 | - | 16/2 | - | - | - |
| 2019 | 682 | 21/21 | 1/1 | 20/18 | 0/2 | - | - |
| 2018 | 452 | 21/22 | 0/1 | 21/21 | - | - | - |
| 2017 | 382 | 17/20 | 0/1 | 17/19 | - | - | - |
| 2016 | 250 | 35/20 | 1/1 | 24/14 | 3/1 | 7/4 | - |
| 2015 | 473 | 31/18 | - | 28/14 | 2/2 | 1/2 | - |
| 2014 | - | 10/12 | - | 10/10 | 0/1 | 0/1 | - |
| 2013 | 720 | 7/5 | - | 3/2 | - | 4/3 | - |
| 2012 | 475 | 2/5 | 0/1 | 1/3 | - | 1/1 | - |
| 2011 | 326 | 1/3 | - | 1/2 | 0/1 | - | - |
| 2010 | 278 | 2/1 | - | - | - | - | 2/1 |
| Summary | 250/200 | 12/14 | 212/163 | 8/10 | 16/12 | 2/1 |
Ranking - Yuan, Chengyiyi
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2025 | 731 | 0/2 | 0/2 | - | - | - | - |
| 2024 | 601 | 32/36 | 0/1 | 32/35 | - | - | - |
| 2023 | 744 | 26/16 | 1/2 | 25/14 | - | - | - |
| 2019 | 722 | 22/20 | 8/6 | 14/14 | - | - | - |
| 2018 | 667 | 10/11 | 1/1 | 9/10 | - | - | - |
| 2017 | 859 | 16/15 | 0/3 | 16/12 | - | - | - |
| 2016 | - | 8/9 | 0/2 | 7/6 | 1/1 | - | - |
| 2015 | - | 0/1 | - | 0/1 | - | - | - |
| Summary | 114/110 | 10/17 | 103/92 | 1/1 | 0/0 | 0/0 |