General Statistics - Okuno, Ayaka
950
Rank
4 - 12
Wins-Losses
286 (2015)
Highest ranking
General Statistics - Sebov, Katherine
347
Rank
20 - 36
Wins-Losses
145 (2023)
Highest ranking
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 |
Ranking - Sebov, Katherine
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 3/2 | - | 2/1 | 1/1 | - | - |
| 2025 | 248 | 2/4 | 2/1 | 0/2 | - | 0/1 | - |
| 2024 | 359 | 23/21 | 2/6 | 16/11 | 5/4 | - | - |
| 2023 | 145 | 31/16 | 4/4 | 13/7 | 13/2 | 1/2 | 0/1 |
| 2022 | 221 | 46/22 | - | 42/21 | 4/1 | - | - |
| 2021 | 347 | 10/18 | 2/5 | 7/10 | 1/3 | - | - |
| 2020 | 273 | 3/8 | 0/1 | 3/3 | 0/3 | - | 0/1 |
| 2019 | 262 | 26/22 | 0/2 | 24/18 | 0/1 | 2/1 | - |
| 2018 | 202 | 38/26 | 5/6 | 22/16 | 11/3 | - | 0/1 |
| 2017 | 272 | 38/21 | 14/7 | 14/12 | 7/2 | - | 3/0 |
| 2016 | 553 | 34/15 | 7/3 | 18/9 | 9/3 | - | - |
| 2015 | 891 | 8/6 | - | 8/6 | - | - | - |
| 2014 | - | 1/2 | - | 1/1 | 0/1 | - | - |
| Summary | 263/183 | 36/35 | 170/117 | 51/24 | 3/4 | 3/3 |
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