General Statistics - Okamura, Issei
1185
Rank
48 - 54
Wins-Losses
642 (2016)
Highest ranking
General Statistics - Sach, Tai Leonard
1057
Rank
88 - 58
Wins-Losses
621 (2025)
Highest ranking
Ranking - Okamura, Issei
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2025 | 1649 | 3/3 | - | 3/3 | - | - | - |
| 2024 | 1185 | 24/27 | 2/3 | 22/22 | 0/2 | - | - |
| 2023 | - | 18/24 | 0/4 | 17/18 | 1/2 | - | - |
| 2022 | 1260 | 12/14 | 1/2 | 11/12 | - | - | - |
| 2021 | 1080 | 8/10 | 0/2 | 8/8 | - | - | - |
| 2020 | 1004 | 11/11 | - | 11/11 | - | - | - |
| 2019 | 966 | 18/26 | 1/2 | 13/22 | - | 4/2 | - |
| 2018 | 922 | 28/27 | 4/4 | 23/22 | 1/1 | - | - |
| 2017 | 916 | 14/32 | 2/8 | 11/21 | 1/3 | - | - |
| 2016 | 642 | 33/33 | 13/8 | 19/22 | 1/3 | - | - |
| 2015 | 855 | 39/24 | 9/5 | 30/18 | 0/1 | - | - |
| 2014 | 1458 | 3/7 | 0/2 | 3/4 | 0/1 | - | - |
| 2013 | 956 | 3/1 | 3/1 | - | - | - | - |
| Summary | 214/239 | 35/41 | 171/183 | 4/13 | 4/2 | 0/0 |
Ranking - Sach, Tai Leonard
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 2/1 | - | 2/1 | - | - | - |
| 2025 | 621 | 5/6 | - | 5/6 | - | - | - |
| 2024 | 1057 | 44/29 | - | 43/27 | - | 1/2 | - |
| 2023 | - | 24/17 | - | 24/17 | - | - | - |
| 2022 | 1988 | 39/30 | 4/2 | 35/28 | - | - | - |
| 2020 | - | 0/1 | - | - | - | 0/1 | - |
| 2019 | - | 1/1 | - | 1/1 | - | - | - |
| 2018 | - | 0/1 | - | - | - | 0/1 | - |
| Summary | 115/86 | 4/2 | 110/80 | 0/0 | 1/4 | 0/0 |
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