Katja Wiersholm (USA)
Country: United States of America,
Born in 2004 (17 years old),
Category: WTA
WTA Ranking
1318
-4
Season High : 1303
Career High : 1303
ITF Ranking
90
45
Season High : 90
Career High : 90
| Tierlevel | Tourn. | Titles | Matches | Wins | Losses | PCT | 6-0 | 0-6 | 7-6 | 6-7 | Total | 11 | 1 | 27 | 17 | 10 | 0.630 | 1 | 0 | 3 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|
| W15 | 2 | 0 | 4 | 2 | 2 | 0.500 | 0 | 0 | 0 | 0 |
| JR Grand Slam Girls | 1 | 0 | 3 | 2 | 1 | 0.667 | 0 | 0 | 0 | 0 |
| JB1 Girls | 1 | 0 | 2 | 1 | 1 | 0.500 | 0 | 0 | 0 | 0 |
| J1 Girls | 2 | 0 | 5 | 3 | 2 | 0.600 | 0 | 0 | 0 | 1 |
| J2 Girls | 2 | 0 | 3 | 1 | 2 | 0.333 | 0 | 0 | 2 | 0 |
| J3 Girls | 2 | 1 | 7 | 6 | 1 | 0.857 | 1 | 0 | 1 | 0 |
| J4 Girls | 1 | 0 | 3 | 2 | 1 | 0.667 | 0 | 0 | 0 | 0 |
Tournaments played in 2021
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