General Statistics - Lemstra, Kai
1060
Rank
40 - 38
Wins-Losses
1060 (2022)
Highest ranking
General Statistics - Sperle, John
1338
Rank
54 - 42
Wins-Losses
686 (2024)
Highest ranking
Ranking - Lemstra, Kai
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2024 | 1727 | 3/7 | 2/3 | - | 1/4 | - | - |
| 2023 | - | 36/19 | 21/12 | 10/4 | 3/2 | - | 2/1 |
| 2022 | 1060 | 20/19 | 6/8 | 12/7 | 2/4 | - | - |
| 2021 | 1184 | 31/15 | 5/4 | 23/9 | 3/2 | - | - |
| 2020 | 1445 | 11/8 | 3/1 | 0/1 | 8/6 | - | - |
| 2019 | 1404 | 15/16 | 5/6 | 8/7 | 2/3 | - | - |
| 2018 | 1473 | 20/22 | 13/12 | 1/1 | 6/9 | - | - |
| 2017 | 1492 | 11/9 | 9/5 | - | 2/4 | - | - |
| 2016 | 1759 | 2/3 | - | - | 2/3 | - | - |
| 2015 | - | 1/2 | - | - | 1/2 | - | - |
| Summary | 150/120 | 64/51 | 54/29 | 30/39 | 0/0 | 2/1 |
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 |
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