General Statistics - Sperle, John
773
Rank
84 - 54
Wins-Losses
686 (2024)
Highest ranking
General Statistics - Stuurman, Roland
-
Rank
54 - 44
Wins-Losses
1243 (2022)
Highest ranking
Ranking - Sperle, John
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 1/1 | - | - | 1/1 | - | - |
| 2025 | 775 | 8/9 | 8/9 | - | - | - | - |
| 2024 | 686 | 39/26 | 33/18 | 6/8 | - | - | - |
| 2023 | - | 42/27 | 32/18 | 10/7 | 0/1 | - | 0/1 |
| 2022 | 1338 | 27/21 | 24/16 | 1/2 | 2/3 | - | - |
| 2021 | 1767 | 20/18 | 16/13 | 4/5 | - | - | - |
| 2019 | - | 0/2 | 0/2 | - | - | - | - |
| Summary | 137/104 | 113/76 | 21/22 | 3/5 | 0/0 | 0/1 |
Ranking - Stuurman, Roland
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 2/1 | - | - | 2/1 | - | - |
| 2025 | - | 2/1 | - | - | 2/1 | - | - |
| 2024 | 1345 | 33/20 | 4/7 | 26/12 | 3/1 | - | - |
| 2023 | - | 27/22 | 11/10 | 15/11 | 1/1 | - | - |
| 2022 | 1243 | 24/22 | 15/13 | 9/9 | - | - | - |
| 2021 | 2118 | 16/18 | 9/11 | 7/7 | - | - | - |
| 2020 | 1519 | 2/2 | 2/2 | - | - | - | - |
| 2019 | 1467 | 9/12 | 7/9 | 2/3 | - | - | - |
| 2018 | - | 7/8 | 7/8 | - | - | - | - |
| 2017 | - | 0/1 | 0/1 | - | - | - | - |
| Summary | 122/107 | 55/61 | 59/42 | 8/4 | 0/0 | 0/0 |