General Statistics - Ichikawa, Taisei
880
Rank
32 - 36
Wins-Losses
718 (2024)
Highest ranking
General Statistics - Yamasaki, Jumpei
877
Rank
50 - 26
Wins-Losses
456 (2019)
Highest ranking
Ranking - Ichikawa, Taisei
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 2/1 | - | 2/1 | - | - | - |
| 2025 | 756 | 7/6 | - | 5/4 | 2/2 | - | - |
| 2024 | 718 | 20/18 | - | 18/15 | 2/3 | - | - |
| 2023 | - | 35/25 | 6/5 | 29/19 | 0/1 | - | - |
| 2022 | 880 | 16/18 | 4/2 | 12/15 | 0/1 | - | - |
| 2021 | 1152 | 11/19 | 3/3 | 8/16 | - | - | - |
| 2019 | 744 | 21/23 | 8/7 | 11/15 | 2/1 | - | - |
| 2018 | 1490 | 4/3 | - | 3/2 | 1/1 | - | - |
| 2017 | - | 3/1 | - | 3/1 | - | - | - |
| Summary | 119/114 | 21/17 | 91/88 | 7/9 | 0/0 | 0/0 |
Ranking - Yamasaki, Jumpei
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 1/1 | - | 1/1 | - | - | - |
| 2025 | 887 | 8/1 | - | 8/1 | - | - | - |
| 2024 | 1208 | 14/11 | - | 14/11 | - | - | - |
| 2023 | - | 16/13 | 4/1 | 12/12 | - | - | - |
| 2022 | 877 | 25/13 | - | 25/13 | - | - | - |
| 2021 | 772 | 9/17 | 2/6 | 7/11 | - | - | - |
| 2020 | 508 | 1/4 | - | 1/3 | 0/1 | - | - |
| 2019 | 456 | 38/21 | 0/3 | 36/16 | 2/2 | - | - |
| 2018 | 642 | 43/33 | 2/1 | 38/29 | 3/3 | - | - |
| 2017 | 805 | 19/26 | 0/2 | 19/21 | 0/3 | - | - |
| 2016 | 605 | 44/24 | 6/3 | 38/21 | - | - | - |
| 2015 | 1098 | 18/9 | 7/5 | 11/4 | - | - | - |
| 2014 | 1318 | 6/4 | 3/2 | 3/2 | - | - | - |
| 2013 | 1281 | 0/2 | 0/1 | - | 0/1 | - | - |
| Summary | 242/179 | 24/24 | 213/145 | 5/10 | 0/0 | 0/0 |