General Statistics - Akita, Shiho
410
Rank
32 - 36
Wins-Losses
250 (2016)
Highest ranking
General Statistics - Pieri, Tatiana
559
Rank
36 - 36
Wins-Losses
350 (2025)
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 - Pieri, Tatiana
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2025 | 350 | 6/6 | 6/6 | - | - | - | - |
| 2024 | 378 | 37/27 | 37/27 | - | - | - | - |
| 2023 | 527 | 40/26 | 34/21 | 6/5 | - | - | - |
| 2022 | 713 | 33/26 | 23/20 | 6/3 | 4/3 | - | - |
| 2021 | 559 | 18/18 | 16/12 | 2/5 | 0/1 | - | - |
| 2020 | 477 | 5/10 | 3/5 | 0/2 | 2/3 | - | - |
| 2019 | 456 | 42/28 | 38/27 | 4/1 | - | - | - |
| 2018 | 556 | 28/25 | 28/24 | 0/1 | - | - | - |
| 2017 | 771 | 24/15 | 22/14 | 2/1 | - | - | - |
| 2016 | 888 | 12/9 | 12/9 | - | - | - | - |
| 2015 | 1281 | 7/10 | 6/5 | 1/5 | - | - | - |
| 2014 | - | 10/12 | 9/9 | 1/3 | - | - | - |
| Summary | 262/212 | 234/179 | 22/26 | 6/7 | 0/0 | 0/0 |