General Statistics - Sun, Lulu
214
Rank
82 - 40
Wins-Losses
40 (2024)
Highest ranking
General Statistics - Volynets, Katie
108
Rank
58 - 54
Wins-Losses
59 (2024)
Highest ranking
Ranking - Sun, Lulu
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 0/2 | - | 0/2 | - | - | - |
| 2025 | 90 | 28/25 | 3/5 | 23/15 | 0/1 | 2/4 | - |
| 2024 | 40 | 39/22 | 10/5 | 12/9 | 6/3 | 8/3 | 3/2 |
| 2023 | 214 | 41/20 | 4/4 | 25/10 | 12/6 | - | - |
| 2022 | 297 | 32/24 | 7/6 | 18/13 | 1/1 | 6/4 | - |
| 2021 | 298 | 27/13 | 8/4 | 19/9 | - | - | - |
| 2020 | 804 | 25/12 | 1/2 | 24/9 | - | - | 0/1 |
| 2019 | - | 18/3 | - | 13/2 | - | 5/1 | - |
| 2018 | 594 | 21/13 | 0/2 | 21/11 | - | - | - |
| 2017 | 795 | 28/15 | 12/6 | 16/8 | - | 0/1 | - |
| 2016 | - | 4/9 | 2/7 | 2/1 | - | 0/1 | - |
| 2015 | 1185 | 6/7 | - | 6/7 | - | - | - |
| Summary | 269/165 | 47/41 | 179/96 | 19/11 | 21/14 | 3/3 |
Ranking - Volynets, Katie
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2026 | - | 5/3 | - | 3/3 | 2/0 | - | - |
| 2025 | 93 | 38/27 | 13/8 | 24/16 | - | 1/3 | - |
| 2024 | 59 | 47/24 | 18/6 | 24/16 | - | 5/2 | - |
| 2023 | 108 | 29/27 | 8/7 | 21/14 | 0/1 | 0/5 | - |
| 2022 | 114 | 37/26 | 13/7 | 20/15 | - | 4/4 | - |
| 2021 | 180 | 29/25 | 12/8 | 12/12 | 1/2 | 4/3 | - |
| 2020 | 315 | 17/16 | 6/4 | 6/9 | 3/2 | - | 2/1 |
| 2019 | 394 | 20/17 | 7/5 | 13/11 | 0/1 | - | - |
| 2018 | 473 | 21/5 | - | 21/5 | - | - | - |
| 2017 | - | 3/1 | - | 3/1 | - | - | - |
| Summary | 246/171 | 77/45 | 147/102 | 6/6 | 14/17 | 2/1 |